diff --git a/Content.Client/Humanoid/HumanoidAppearanceSystem.cs b/Content.Client/Humanoid/HumanoidAppearanceSystem.cs
index b91e92078f8..ed2a2f3ecb8 100644
--- a/Content.Client/Humanoid/HumanoidAppearanceSystem.cs
+++ b/Content.Client/Humanoid/HumanoidAppearanceSystem.cs
@@ -12,6 +12,8 @@ namespace Content.Client.Humanoid;
 
 public sealed partial class HumanoidAppearanceSystem : SharedHumanoidAppearanceSystem
 {
+
+    private const string AnimatedMarkingSuffix = "Animated"; // Forge-Change
     [Dependency] private IPrototypeManager _prototypeManager = default!;
     [Dependency] private MarkingManager _markingManager = default!;
 
@@ -238,7 +240,7 @@ private void ClearAllMarkings(HumanoidAppearanceComponent humanoid, SpriteCompon
         {
             foreach (var marking in markingList)
             {
-                RemoveMarking(marking, sprite);
+                ClearMarking(marking, sprite); // Forge-Change: RemoveMarking > ClearMarking
             }
         }
 
@@ -248,11 +250,32 @@ private void ClearAllMarkings(HumanoidAppearanceComponent humanoid, SpriteCompon
         {
             foreach (var marking in markingList)
             {
-                RemoveMarking(marking, sprite);
+                ClearMarking(marking, sprite); // Forge-Change: RemoveMarking > ClearMarking
             }
         }
     }
 
+    // Forge-Change-start: remove stale static/animated counterpart layers when refreshing markings.
+    private void ClearMarking(Marking marking, SpriteComponent spriteComp)
+    {
+        RemoveMarking(marking, spriteComp);
+        RemoveAnimatedCounterpart(marking, spriteComp);
+    }
+
+    private void RemoveAnimatedCounterpart(Marking marking, SpriteComponent spriteComp)
+    {
+        var markingId = marking.MarkingId;
+        var counterpartId = markingId.EndsWith(AnimatedMarkingSuffix, StringComparison.Ordinal)
+            ? markingId[..^AnimatedMarkingSuffix.Length]
+            : $"{markingId}{AnimatedMarkingSuffix}";
+
+        if (!_prototypeManager.TryIndex<MarkingPrototype>(counterpartId, out var counterpart))
+            return;
+
+        RemoveMarking(counterpart, spriteComp);
+    }
+    // Forge-Change-end
+
     private void RemoveMarking(Marking marking, SpriteComponent spriteComp)
     {
         if (!_markingManager.TryGetMarking(marking, out var prototype))
@@ -260,6 +283,10 @@ private void RemoveMarking(Marking marking, SpriteComponent spriteComp)
             return;
         }
 
+        RemoveMarking(prototype, spriteComp);
+    }
+    private void RemoveMarking(MarkingPrototype prototype, SpriteComponent spriteComp)
+    { // Forge-Change
         foreach (var sprite in prototype.Sprites)
         {
             if (sprite is not SpriteSpecifier.Rsi rsi)
@@ -267,7 +294,8 @@ private void RemoveMarking(Marking marking, SpriteComponent spriteComp)
                 continue;
             }
 
-            var layerId = $"{marking.MarkingId}-{rsi.RsiState}";
+            var layerId = $"{prototype.ID}-{rsi.RsiState}"; // Forge-Change: marking.MarkingId > prototype.ID
+
             if (!spriteComp.LayerMapTryGet(layerId, out var index))
             {
                 continue;
@@ -277,6 +305,7 @@ private void RemoveMarking(Marking marking, SpriteComponent spriteComp)
             spriteComp.RemoveLayer(index);
         }
     }
+
     private void ApplyMarking(MarkingPrototype markingPrototype,
         IReadOnlyList<Color>? colors,
         bool visible,
diff --git a/Content.Client/_Mono/FireControl/UI/FireControlWindow.xaml b/Content.Client/_Mono/FireControl/UI/FireControlWindow.xaml
index b10713f6a0c..d0831486185 100644
--- a/Content.Client/_Mono/FireControl/UI/FireControlWindow.xaml
+++ b/Content.Client/_Mono/FireControl/UI/FireControlWindow.xaml
@@ -32,6 +32,15 @@
             <Button Name="RefreshButton" Access="Public" Text="{Loc admin-logs-refresh}"
                     StyleClasses="ButtonSquare" Margin="2 2 2 2"/>
             </PanelContainer>
+            <!-- Forge-Change-Start -->
+            <PanelContainer VerticalExpand="False" HorizontalExpand="True">
+                <PanelContainer.PanelOverride>
+                    <gfx:StyleBoxFlat BorderThickness="4" BorderColor="#2e2e2e" BackgroundColor="#1c1c1c" />
+                </PanelContainer.PanelOverride>
+            <CheckBox Name="ShowIFFCheckbox" Access="Public" Text="{Loc 'gunnery-show-iff'}"
+                      Margin="4 2 2 2" Pressed="True"/>
+            </PanelContainer>
+            <!-- Forge-Change-End -->
 
             <!-- Weapons Control Section -->
             <controls:StripeBack MinSize="48 48" Margin="0 0 0 0">
diff --git a/Content.Client/_Mono/FireControl/UI/FireControlWindow.xaml.cs b/Content.Client/_Mono/FireControl/UI/FireControlWindow.xaml.cs
index eae05a5051b..d1671ee8d1b 100644
--- a/Content.Client/_Mono/FireControl/UI/FireControlWindow.xaml.cs
+++ b/Content.Client/_Mono/FireControl/UI/FireControlWindow.xaml.cs
@@ -35,6 +35,7 @@ public FireControlWindow()
         RobustXamlLoader.Load(this);
         IoCManager.InjectDependencies(this);
         RefreshButton.OnPressed += _ => OnServerRefresh?.Invoke();
+        ShowIFFCheckbox.OnToggled += args => NavRadar.ShowIFF = args.Pressed; // Forge-Change
         SelectAllButton.OnPressed += SelectAllWeapons;
         UnselectAllButton.OnPressed += UnselectAllWeapons;
         SelectBallisticButton.OnPressed += SelectBallisticWeapons;
diff --git a/Content.Server/Wagging/WaggingSystem.cs b/Content.Server/Wagging/WaggingSystem.cs
index 21436b69a2a..d70bb1b8b3c 100644
--- a/Content.Server/Wagging/WaggingSystem.cs
+++ b/Content.Server/Wagging/WaggingSystem.cs
@@ -1,5 +1,7 @@
-using Content.Server.Actions;
+using Content.Server.Actions; // Forge-Change
 using Content.Server.Humanoid;
+using Content.Shared.Actions; // Forge-Change
+using Content.Shared._Shitmed.Humanoid.Events; // Forge-Change
 using Content.Shared.Humanoid;
 using Content.Shared.Humanoid.Markings;
 using Content.Shared.Mobs;
@@ -26,11 +28,19 @@ public override void Initialize()
         SubscribeLocalEvent<WaggingComponent, ComponentShutdown>(OnWaggingShutdown);
         SubscribeLocalEvent<WaggingComponent, ToggleActionEvent>(OnWaggingToggle);
         SubscribeLocalEvent<WaggingComponent, MobStateChangedEvent>(OnMobStateChanged);
+        SubscribeLocalEvent<WaggingComponent, ProfileLoadFinishedEvent>(OnProfileLoadFinished); // Forge-Change
     }
 
     private void OnWaggingMapInit(EntityUid uid, WaggingComponent component, MapInitEvent args)
     {
-        _actions.AddAction(uid, ref component.ActionEntity, component.Action, uid);
+    // Forge-Change-start
+        UpdateWaggingAction(uid, component);
+    }
+
+    private void OnProfileLoadFinished(EntityUid uid, WaggingComponent component, ProfileLoadFinishedEvent args)
+    {
+        UpdateWaggingAction(uid, component);
+    // Forge-Change-end
     }
 
     private void OnWaggingShutdown(EntityUid uid, WaggingComponent component, ComponentShutdown args)
@@ -52,6 +62,36 @@ private void OnMobStateChanged(EntityUid uid, WaggingComponent component, MobSta
             TryToggleWagging(uid, wagging: component);
     }
 
+    // Forge-Change-start: only provide wagging action when the entity has a tail marking.
+    private void UpdateWaggingAction(EntityUid uid, WaggingComponent component, HumanoidAppearanceComponent? humanoid = null)
+    {
+        if (!Resolve(uid, ref humanoid, false))
+        {
+            _actions.RemoveAction(uid, component.ActionEntity);
+            component.ActionEntity = null;
+            component.Wagging = false;
+            return;
+        }
+
+        var hasTail = humanoid.MarkingSet.Markings.TryGetValue(MarkingCategories.Tail, out var markings) &&
+                      markings.Count > 0;
+
+        if (!hasTail)
+        {
+            _actions.RemoveAction(uid, component.ActionEntity);
+            component.ActionEntity = null;
+            component.Wagging = false;
+            return;
+        }
+
+        // The action container can still be uninitialized during profile load (e.g. integration map init spawn paths).
+        if (!TryComp<ActionsContainerComponent>(uid, out var actionContainer) || !actionContainer.Initialized)
+            return;
+
+        _actions.AddAction(uid, ref component.ActionEntity, component.Action, uid);
+    }
+    // Forge-Change-end
+
     public bool TryToggleWagging(EntityUid uid, WaggingComponent? wagging = null, HumanoidAppearanceComponent? humanoid = null)
     {
         if (!Resolve(uid, ref wagging, ref humanoid))
diff --git a/Resources/Locale/en-US/_EinsteinEngines/chat/managers/chat-language.ftl b/Resources/Locale/en-US/_EinsteinEngines/chat/managers/chat-language.ftl
index 76058914798..5fde72d37b8 100644
--- a/Resources/Locale/en-US/_EinsteinEngines/chat/managers/chat-language.ftl
+++ b/Resources/Locale/en-US/_EinsteinEngines/chat/managers/chat-language.ftl
@@ -22,6 +22,7 @@ chat-language-Marish-name = Marish
 chat-language-Chittin-name = Chittin
 chat-language-Xeeplian-name = Xeeplian
 chat-language-Hydraspeak-name = Hy'drav'tha
+chat-language-Kelael-name = Kela'el
 
 # Ported from Floofstation:
 chat-language-NewKinPidgin-name = Ka'rakk
diff --git a/Resources/Locale/en-US/_EinsteinEngines/language/languages.ftl b/Resources/Locale/en-US/_EinsteinEngines/language/languages.ftl
index 796dc7ab848..ae942a5a52f 100644
--- a/Resources/Locale/en-US/_EinsteinEngines/language/languages.ftl
+++ b/Resources/Locale/en-US/_EinsteinEngines/language/languages.ftl
@@ -15,6 +15,11 @@ language-Hydraspeak-description =
     A Mix of warbles, trills and chirps, with heavy tonal shifts and pitch changes make up this unusual language.
     Due to the avian nature of hydrakin, one word can mean a million other things at the same time, which makes this language next to incomprehensible for even other birdlike races to figure out.
 
+language-Kelael-name = Kela'el
+language-Kelael-description =
+    A refined infernal tongue spoken by Arkans.
+    Flowing vowels and gentle cadence make it sound like a haunting song to outsiders.
+
 language-Nekomimetic-name = Nekomimetic
 language-Nekomimetic-description = To the casual observer, this language is an incomprehensible mess of broken Japanese. To the Felinids and Oni, it's somehow comprehensible.
 
diff --git a/Resources/Locale/en-US/_EinsteinEngines/traits/language-traits.ftl b/Resources/Locale/en-US/_EinsteinEngines/traits/language-traits.ftl
index 9d8b73c5f65..4023ccee04d 100644
--- a/Resources/Locale/en-US/_EinsteinEngines/traits/language-traits.ftl
+++ b/Resources/Locale/en-US/_EinsteinEngines/traits/language-traits.ftl
@@ -55,6 +55,11 @@ trait-language-azaziba-desc =
     A language of Moghes consisting of a combination of spoken word and gesticulation.
     While waning since Moghes entered the galactic stage - it enjoys popular use by Unathi that never fell to the Hegemony's cultural dominance.
 
+trait-language-kelael-name = Kela'el
+trait-language-kelael-desc =
+    A refined infernal tongue with melodic cadence and flowing phonemes.
+    Spoken by Arkans and occasionally studied by linguists and occultists.
+
 trait-language-SiikMaas-name = Siik'maas
 trait-language-SiikMaas-desc = 
     The ancient religious tongue of the Tajara, now the most widely spoken and taught language on Adhomai.
diff --git a/Resources/Locale/ru-RU/_ADT/prototypes/Body/Organs/demon.ftl b/Resources/Locale/ru-RU/_ADT/prototypes/Body/Organs/demon.ftl
new file mode 100644
index 00000000000..a3968057c97
--- /dev/null
+++ b/Resources/Locale/ru-RU/_ADT/prototypes/Body/Organs/demon.ftl
@@ -0,0 +1,9 @@
+ent-OrganDemonStomach = { ent-OrganAnimalStomach }
+    .desc = { ent-OrganAnimalHeart.desc }
+    .suffix = { "Аркана" }
+ent-OrganDemonHeart = сердце арканы
+    .desc = { ent-OrganAnimalHeart.desc }
+    .suffix = { "Аркана" }
+reagent-name-demon-blood = кровь арканы
+reagent-desc-demon-blood = Загадочная кровь, характерная для представителей расы суккубов. Обладает необычными регенеративными свойствами и ускоряет заживление тканей у большинства организмов. Однако у арканов вызывает обратную реакцию, разрушая внутренние связи и нанося урон.
+metabolizer-type-demon = Аркана
diff --git a/Resources/Locale/ru-RU/_ADT/prototypes/Body/Parts/demon.ftl b/Resources/Locale/ru-RU/_ADT/prototypes/Body/Parts/demon.ftl
new file mode 100644
index 00000000000..d3d5b5e8ae6
--- /dev/null
+++ b/Resources/Locale/ru-RU/_ADT/prototypes/Body/Parts/demon.ftl
@@ -0,0 +1,22 @@
+ent-PartDemon = часть тела арканы
+    .desc = { ent-BaseItem.desc }
+ent-TorsoDemon = торс арканы
+    .desc = { ent-PartDemon.desc }
+ent-HeadDemon = голова арканы
+    .desc = { ent-PartDemon.desc }
+ent-LeftArmDemon = левая рука арканы
+    .desc = { ent-PartDemon.desc }
+ent-RightArmDemon = правая рука арканы
+    .desc = { ent-PartDemon.desc }
+ent-LeftHandDemon = левая кисть арканы
+    .desc = { ent-PartDemon.desc }
+ent-RightHandDemon = правая кисть арканы
+    .desc = { ent-PartDemon.desc }
+ent-LeftLegDemon = левая нога арканы
+    .desc = { ent-PartDemon.desc }
+ent-RightLegDemon = правая нога арканы
+    .desc = { ent-PartDemon.desc }
+ent-LeftFootDemon = левая стопа арканы
+    .desc = { ent-PartDemon.desc }
+ent-RightFootDemon = правая стопа арканы
+    .desc = { ent-PartDemon.desc }
diff --git a/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Customization/Markings/demon.ftl b/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Customization/Markings/demon.ftl
new file mode 100644
index 00000000000..7553576417e
--- /dev/null
+++ b/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Customization/Markings/demon.ftl
@@ -0,0 +1,108 @@
+# Уши
+marking-DemonCowEars = Аркана, уши (Коровьи)
+marking-DemonCowEars-cow_ears = Уши
+marking-DemonEars = Аркана, уши (Демонические)
+marking-DemonEars-demon_ears = Уши
+marking-DemonElfEars = Аркана, уши (Эльфийские)
+marking-DemonElfEars-ears_elf = Уши
+
+# Хвост
+marking-DemomTail = Аркана, хвост
+marking-DemomTail-tail = Хвост
+marking-DemomTail1 = Аркана, хвост (Демонические)
+marking-DemomTail1-demon_tail = Хвост
+marking-DemomTailLong = Аркана, хвост (Длинный демонические)
+marking-DemomTailLong-long = Хвост
+marking-DemomTailUp = Аркана, хвост (Демонические вверх)
+marking-DemomTailUp-up = Хвост
+marking-DemomTailAnimated = Аркана, хвост (Анимированный)
+marking-DemomTailAnimated-tail_waggin = Хвост
+marking-DemomTail1Animated = Аркана, хвост (Демонический, анимированный)
+marking-DemomTail1Animated-demon_tail_waggin = Хвост
+marking-DemomTailLongAnimated = Аркана, хвост (Длинный, анимированный)
+marking-DemomTailLongAnimated-long_waggin = Хвост
+marking-DemomTailUpAnimated = Аркана, хвост (Вверх, анимированный)
+marking-DemomTailUpAnimated-up_waggin = Хвост
+
+# Туловище
+marking-DemonChestCowSpots = Аркана, туловище (Коровьи пятна)
+marking-DemonChestCowSpots-cow_spots = Пятна
+marking-DemonChestGuard = Аркана, туловище (Защита)
+marking-DemonChestGuard-guards_stripes = Линии
+marking-DemonChestLinesEmperos = Аркана, туловище (Линии Императора)
+marking-DemonChestLinesEmperos-lines_emperos = Линии
+marking-DemonChestQueenLines = Аркана, туловище (Линии Королевы)
+marking-DemonChestQueenLines-queen_lines = Линии
+marking-DemonChestTreeLines = Аркана, туловище (Древесные линии)
+marking-DemonChestTreeLines-tree_lines = Линии
+marking-DemonChestTrinitySpots = Аркана, туловище (Троичные пятна)
+marking-DemonChestTrinitySpots-trinity_spots = Пятна
+
+# Борода
+marking-DemonGoatee = Аркана, Козлиная бородка
+
+# Глаза
+marking-ADTDemonrigth_eye = Аркана, Правый глаз
+marking-ADTDemonrigth_eye-tattoo_eye_r = Глаз
+marking-ADTDemonleft_eye = Аркана, Левый глаз
+marking-ADTDemonleft_eye-tattoo_eye_l = Глаз
+marking-DemonrigthEye = Аркана, Правый глаз
+marking-DemonrigthEye-tattoo_eye_r = Глаз
+marking-DemonleftEye = Аркана, Левый глаз
+marking-DemonleftEye-tattoo_eye_l = Глаз
+
+# Прочее
+marking-Allsuccubus = Аркана, Суккуб
+marking-Allsuccubus-succubus = Узор
+
+# Порождения лаваленда
+marking-DemonDrakeTile = Аркана, хвост Дрейка
+marking-DemonDrakeTile-tail_drake = Хвост
+marking-DemonDrakeTile-tail_drake_secondary = Шипы
+marking-DemonDrakeTileAnimated = Аркана, хвост Дрейка (Анимированный)
+marking-DemonDrakeTileAnimated-tail_drake_wagging = Хвост
+marking-DemonDrakeTileAnimated-tail_drake_wagging_secondary = Шипы
+marking-DemonDrakeSpine = Аркана, позвоночник Дрейка
+marking-DemonDrakeSpine-drake_spine = Позвоночник
+marking-DemonDrakeLArm = Аркана, рука Дрейка (левая)
+marking-DemonDrakeLArm-l_drake_arm = Рука
+marking-DemonDrakeRArm = Аркана, рука Дрейка (правая)
+marking-DemonDrakeRArm-r_drake_arm = Рука
+
+# Рога
+marking-DemonCowHorns = Аркана, рога (Коровьи)
+marking-DemonCowHorns-cow_horns = Рога
+marking-DemonHornsDeer = Аркана, рога (Оленьи)
+marking-DemonHornsDeer-deer_antlers_horns = Рога
+marking-DemonHornsSmall = Аркана, рога (Маленькие)
+marking-DemonHornsSmall-small_horns = Рога
+marking-DemonHornsBuffalo = Аркана, рога (Бычьи)
+marking-DemonHornsBuffalo-horns_buffalo = Рога
+marking-DemonHornsCarpicorn = Аркана, рога (Козерожьи)
+marking-DemonHornsCarpicorn-horns_capricorn = Рога
+marking-DemonHornsDevil = Аркана, рога (Дьявольские)
+marking-DemonHornsDevil-horns_devil = Рога
+marking-DemonHornsDevil2 = Аркана, рога (Дьявольские, 2)
+marking-DemonHornsDevil2-horns_devil2 = Рога
+marking-DemonHornsDevil3 = Аркана, рога (Дьявольские, 3)
+marking-DemonHornsDevil3-horns_devil3 = Рога
+marking-DemonHornsDevil4 = Аркана, рога (Дьявольские, 4)
+marking-DemonHornsDevil4-horns_devil4 = Рога
+marking-DemonHornsRam = Аркана, рога (Бараньи)
+marking-DemonHornsRam-horns_ram = Рога
+marking-DemonHornsUnicorn = Аркана, рога (Единорожьи)
+marking-DemonHornsUnicorn-horns_unicorn = Рога
+
+# Рога 32х64
+marking-DemonHornsBackwardHorns = Аркана, рога (Обратные)
+marking-DemonHornsBackwardHorns-backward_horns = Рога
+marking-DemonHornsDarkCrown = Аркана, рога (Тёмная корона)
+marking-DemonHornsDarkCrown-dark_crown = Рога
+marking-DemonHornsDevilPrimeSi1 = Аркана, рога (Прайм, зловещие)
+marking-DemonHornsDevilPrimeSi1-devil_prime1_s = Рога
+marking-DemonHornsDevilPrime1 = Аркана, рога (Прайм, 1)
+marking-DemonHornsDevilPrime1-devil_prime1 = Рога
+marking-DemonHornsDevilPrime2 = Аркана, рога (Прайм, 2)
+marking-DemonHornsDevilPrime2-devil_prime2 = Рога
+marking-DemonHornsFatHorn = Аркана, рога (Толстые)
+marking-DemonHornsFatHorn-fat_horn = Рога
diff --git a/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Customization/Markings/demon_hair.ftl b/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Customization/Markings/demon_hair.ftl
new file mode 100644
index 00000000000..679a9dd635c
--- /dev/null
+++ b/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Customization/Markings/demon_hair.ftl
@@ -0,0 +1,13 @@
+# Причёски
+marking-ADTDemonHairBubbleGum = Жвачка
+marking-ADTDemonHairGorgona = Горгона
+marking-ADTDemonHairGorgona2 = Горгона 2
+marking-ADTDemonHairMorningHairStyle = Утренний стиль
+marking-ADTDemonHairMorningHairStyle2 = Утренний стиль 2
+marking-ADTDemonHairMorningHairStyle3 = Утренний стиль 3
+marking-ADTDemonHairPonyTail = Пони стайл
+marking-ADTDemonHairShavedFemale = Выбритая женская
+marking-ADTDemonHairShavedUnisex = Выбритая унисекс
+marking-ADTDemonHairValkyrieScythe = Коса валькирии
+marking-ADTDemonHairValkyrieScythe2 = Коса валькирии 2
+marking-ADTDemonHairValkyrieScythe3 = Коса валькирии 3
diff --git a/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Species/demon.ftl b/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Species/demon.ftl
new file mode 100644
index 00000000000..ae5d1f883b4
--- /dev/null
+++ b/Resources/Locale/ru-RU/_ADT/prototypes/Entities/Mobs/Species/demon.ftl
@@ -0,0 +1,5 @@
+ent-BaseMobDemon = Урист МакАркана
+    .desc = { ent-BaseMobSpeciesOrganic.desc }
+    .suffix = Аркана
+ent-MobDemonDummy = { ent-BaseSpeciesDummy }
+    .desc = { ent-BaseSpeciesDummy.desc }
diff --git a/Resources/Locale/ru-RU/_ADT/prototypes/Species/demon.ftl b/Resources/Locale/ru-RU/_ADT/prototypes/Species/demon.ftl
new file mode 100644
index 00000000000..4de23780078
--- /dev/null
+++ b/Resources/Locale/ru-RU/_ADT/prototypes/Species/demon.ftl
@@ -0,0 +1,2 @@
+species-name-demon = Аркана
+species-name-demonspecies = Аркана
\ No newline at end of file
diff --git a/Resources/Locale/ru-RU/_EE/chat/managers/chat-language.ftl b/Resources/Locale/ru-RU/_EE/chat/managers/chat-language.ftl
index c334ea21857..dd5eaa16324 100644
--- a/Resources/Locale/ru-RU/_EE/chat/managers/chat-language.ftl
+++ b/Resources/Locale/ru-RU/_EE/chat/managers/chat-language.ftl
@@ -59,4 +59,4 @@ chat-language-Xeno-name = Ксеноморфный
 chat-language-DroneTalk-name = Дронов
 
 # Mono
-chat-language-Blob-name = Блобовый
\ No newline at end of file
+chat-language-Blob-name = Блобовый
diff --git a/Resources/Locale/ru-RU/_EE/language/language.ftl b/Resources/Locale/ru-RU/_EE/language/language.ftl
new file mode 100644
index 00000000000..9e60769f6d1
--- /dev/null
+++ b/Resources/Locale/ru-RU/_EE/language/language.ftl
@@ -0,0 +1,4 @@
+language-Kelael-name = Кела'эл
+language-Kelael-description =
+    Утончённый инфернальный язык, на котором говорят арканы.
+    Плавные гласные и мягкий ритм делают речь похожей на таинственный напев.
diff --git a/Resources/Locale/ru-RU/_Mono/traits/language-traits.ftl b/Resources/Locale/ru-RU/_Mono/traits/language-traits.ftl
index eb64d35c5b2..be8578ea56f 100644
--- a/Resources/Locale/ru-RU/_Mono/traits/language-traits.ftl
+++ b/Resources/Locale/ru-RU/_Mono/traits/language-traits.ftl
@@ -2,4 +2,4 @@ trait-language-gary-name = Гэри
 trait-language-gary-desc = Хаха, Гэри!
 
 trait-language-NovaCygni-name = Нова Цигни
-trait-language-NovaCygni-desc = Государственный язык СССП. Для большинства звучит похоже на Сол Общий, но более грубо. Его использование распространилось среди поселенцев СССП и членов Paycheck Bratva.
\ No newline at end of file
+trait-language-NovaCygni-desc = Государственный язык СССП. Для большинства звучит похоже на Сол Общий, но более грубо. Его использование распространилось среди поселенцев СССП и членов Paycheck Bratva.
diff --git a/Resources/Locale/ru-RU/ss14-ru/prototypes/_Wega/Entities/mobs/npcs/animals.ftl b/Resources/Locale/ru-RU/ss14-ru/prototypes/_Wega/Entities/mobs/npcs/animals.ftl
new file mode 100644
index 00000000000..8f47dd13a4b
--- /dev/null
+++ b/Resources/Locale/ru-RU/ss14-ru/prototypes/_Wega/Entities/mobs/npcs/animals.ftl
@@ -0,0 +1,3 @@
+ent-MobMonkeyDemon = { ent-MobMonkey }
+    .desc = { ent-MobMonkey.desc }
+    .suffix = AI, Аркана
diff --git a/Resources/Prototypes/Guidebook/species.yml b/Resources/Prototypes/Guidebook/species.yml
index fa29e181cda..f4cd842740b 100644
--- a/Resources/Prototypes/Guidebook/species.yml
+++ b/Resources/Prototypes/Guidebook/species.yml
@@ -23,6 +23,7 @@
   - Rodentia # DeltaV
   - Tajaran # Goobstation
   - Hydrakin # Monolith/Obelisk
+  - Demon # Wega
 
 - type: guideEntry
   id: Arachnid
diff --git a/Resources/Prototypes/Loadouts/Miscellaneous/survival.yml b/Resources/Prototypes/Loadouts/Miscellaneous/survival.yml
index 06cde359447..6fa8927420e 100644
--- a/Resources/Prototypes/Loadouts/Miscellaneous/survival.yml
+++ b/Resources/Prototypes/Loadouts/Miscellaneous/survival.yml
@@ -21,6 +21,7 @@
     - Protogen
     - Yowie # Goobstation
     - Tajaran # Goobstation
+    - Demon # Forge-Change wega Demon
 
 - type: loadoutEffectGroup
   id: EffectSpeciesVox
diff --git a/Resources/Prototypes/XenoArch/artifact_triggers.yml b/Resources/Prototypes/XenoArch/artifact_triggers.yml
index ea2ea904c93..10f5088b906 100644
--- a/Resources/Prototypes/XenoArch/artifact_triggers.yml
+++ b/Resources/Prototypes/XenoArch/artifact_triggers.yml
@@ -112,7 +112,7 @@
     groups:
       Acidic: [ Touch ]
     reactions:
-    - reagents: [ Blood, CopperBlood, InsectBlood, Slime, AmmoniaBlood, ZombieBlood ]
+    - reagents: [ Blood, CopperBlood, InsectBlood, Slime, AmmoniaBlood, ZombieBlood, DemonBlood ] # Forge-Change: arcana blood should activate artifacts
       methods: [ Touch ]
       effects:
       - !type:ActivateArtifact
diff --git a/Resources/Prototypes/_EinsteinEngines/Objects/Devices/translator_implants.yml b/Resources/Prototypes/_EinsteinEngines/Objects/Devices/translator_implants.yml
index 137b8061083..6aaa1953cc4 100644
--- a/Resources/Prototypes/_EinsteinEngines/Objects/Devices/translator_implants.yml
+++ b/Resources/Prototypes/_EinsteinEngines/Objects/Devices/translator_implants.yml
@@ -67,6 +67,21 @@
     requires:
     - TauCetiBasic
 
+- type: entity # Forge Change begin
+  parent: BaseSubdermalImplant
+  id: KelaelTranslatorImplant
+  name: kela'el translator implant
+  description: An implant giving the ability to understand and speak Kela'el.
+  categories: [ HideSpawnMenu ]
+  components:
+  - type: TranslatorImplant
+    understood:
+    - Kelael
+    spoken:
+    - Kelael
+    requires:
+    - TauCetiBasic # Forge Change end
+
 - type: entity
   parent: BaseSubdermalImplant
   id: CanilunztTranslatorImplant
diff --git a/Resources/Prototypes/_EinsteinEngines/Objects/Devices/translators.yml b/Resources/Prototypes/_EinsteinEngines/Objects/Devices/translators.yml
index e35d1b1a305..6ac4e1c9291 100644
--- a/Resources/Prototypes/_EinsteinEngines/Objects/Devices/translators.yml
+++ b/Resources/Prototypes/_EinsteinEngines/Objects/Devices/translators.yml
@@ -128,6 +128,23 @@
     - TauCetiBasic
     - Draconic
 
+- type: entity # Forge Change begin
+  id: KelaelTranslator
+  parent: [ TranslatorPoweredBase ]
+  name: Kela'el translator
+  description: Translates speech between Kela'el and Tau-Ceti Basic.
+  components:
+  - type: HandheldTranslator
+    spoken:
+    - TauCetiBasic
+    - Kelael
+    understood:
+    - TauCetiBasic
+    - Kelael
+    requires:
+    - TauCetiBasic
+    - Kelael # Forge Change end
+
 - type: entity
   id: SolCommonTranslator
   parent: [ TranslatorPoweredBase ]
diff --git a/Resources/Prototypes/_EinsteinEngines/Objects/Misc/translator_implanters.yml b/Resources/Prototypes/_EinsteinEngines/Objects/Misc/translator_implanters.yml
index 6348f3f16c0..96d5308b7ba 100644
--- a/Resources/Prototypes/_EinsteinEngines/Objects/Misc/translator_implanters.yml
+++ b/Resources/Prototypes/_EinsteinEngines/Objects/Misc/translator_implanters.yml
@@ -46,6 +46,14 @@
   - type: Implanter
     implant: DraconicTranslatorImplant
 
+- type: entity # Forge Change begin
+  id: KelaelTranslatorImplanter
+  parent: [ BaseTranslatorImplanter ]
+  name: kela'el translator implant
+  components:
+  - type: Implanter
+    implant: KelaelTranslatorImplant # Forge Change end
+
 - type: entity
   id: CanilunztTranslatorImplanter
   parent: [ BaseTranslatorImplanter ]
diff --git a/Resources/Prototypes/_EinsteinEngines/Recipes/Lathes/language.yml b/Resources/Prototypes/_EinsteinEngines/Recipes/Lathes/language.yml
index add02204ced..c3c5fe9a44d 100644
--- a/Resources/Prototypes/_EinsteinEngines/Recipes/Lathes/language.yml
+++ b/Resources/Prototypes/_EinsteinEngines/Recipes/Lathes/language.yml
@@ -39,6 +39,16 @@
     Plastic: 50
     Gold: 50
 
+- type: latheRecipe # Forge Change begin
+  id: KelaelTranslator
+  result: KelaelTranslator
+  completetime: 2
+  materials:
+    Steel: 500
+    Glass: 100
+    Plastic: 50
+    Gold: 50 # Forge Change end
+
 - type: latheRecipe
   id: SolCommonTranslator
   result: SolCommonTranslator
@@ -197,6 +207,17 @@
     Gold: 50
     Silver: 50
 
+- type: latheRecipe # Forge Change begin
+  id: KelaelTranslatorImplanter
+  result: KelaelTranslatorImplanter
+  completetime: 2
+  materials:
+    Steel: 500
+    Glass: 500
+    Plastic: 100
+    Gold: 50
+    Silver: 50 # Forge Change end
+
 - type: latheRecipe
   id: CanilunztTranslatorImplanter
   result: CanilunztTranslatorImplanter
diff --git a/Resources/Prototypes/_Mono/Entities/Objects/Specific/Science/TechDisks/tech_disks_language.yml b/Resources/Prototypes/_Mono/Entities/Objects/Specific/Science/TechDisks/tech_disks_language.yml
index 0a3d9e484a3..28aeae56d35 100644
--- a/Resources/Prototypes/_Mono/Entities/Objects/Specific/Science/TechDisks/tech_disks_language.yml
+++ b/Resources/Prototypes/_Mono/Entities/Objects/Specific/Science/TechDisks/tech_disks_language.yml
@@ -22,6 +22,7 @@
     - BubblishTranslator # Slimes
     - NekomimeticTranslator # Oni/Felinids
     - DraconicTranslator # Lizards
+    - KelaelTranslator # Arkans Forge Change
     - RootSpeakTranslator # Dionae
     - MofficTranslator # Moths
     - ValyrianStandardTranslator # Harpies
@@ -54,6 +55,7 @@
     - BubblishTranslator
     - NekomimeticTranslator
     - DraconicTranslator
+    - KelaelTranslator # Arkans Forge Change
     #- SolCommonTranslator # Rogues dont have craftable freespeak translators, why should TSF?
     - RootSpeakTranslator
     - MofficTranslator
@@ -68,6 +70,7 @@
     - BubblishTranslatorImplanter
     - NekomimeticTranslatorImplanter
     - DraconicTranslatorImplanter
+    - KelaelTranslatorImplanter # Arkans Forge Change
     #- SolCommonTranslatorImplanter # Rogues dont have craftable freespeak translators, why should TSF?
     - RootSpeakTranslatorImplanter
     - MofficTranslatorImplanter
@@ -80,4 +83,4 @@
     - AnimalTranslator
     - XenoTranslator
     - NewKinPidginTranslator # Vox
-    - NewKinPidginTranslatorImplanter # Vox
\ No newline at end of file
+    - NewKinPidginTranslatorImplanter # Vox
diff --git a/Resources/Prototypes/_Mono/Traits/physical.yml b/Resources/Prototypes/_Mono/Traits/physical.yml
index 1ad69cb2483..79f3817f831 100644
--- a/Resources/Prototypes/_Mono/Traits/physical.yml
+++ b/Resources/Prototypes/_Mono/Traits/physical.yml
@@ -308,7 +308,7 @@
           Blunt: 3.5
           Slash: 3.5
           Piercing: 3.5
-          
+
 - type: trait
   id: HardenedLymphocytes
   name: trait-hardened-lymphocytes-name
@@ -414,6 +414,7 @@
   - SlimePerson
   - Felinid
   - Tajaran
+  - Demon # Forge Change
   blacklist:
     components:
     - BorgChassis
diff --git a/Resources/Prototypes/_Mono/Traits/speech.yml b/Resources/Prototypes/_Mono/Traits/speech.yml
index d8a54e8f966..7f8199a1c14 100644
--- a/Resources/Prototypes/_Mono/Traits/speech.yml
+++ b/Resources/Prototypes/_Mono/Traits/speech.yml
@@ -62,3 +62,16 @@
   - NovaCygniBasic
   languagesUnderstood:
   - NovaCygniBasic
+
+- type: trait # Forge Change begin
+  id: MonoKelael
+  name: trait-language-kelael-name
+  description: trait-language-kelael-desc
+  category: LanguageTraits
+  cost: 1
+  components:
+  - type: LanguageSpeaker
+  languagesSpoken:
+  - Kelael
+  languagesUnderstood:
+  - Kelael # Forge Change end
diff --git a/Resources/Prototypes/_NF/Loadouts/loadout_effects.yml b/Resources/Prototypes/_NF/Loadouts/loadout_effects.yml
index 294e8d6e1f9..0847aa33675 100644
--- a/Resources/Prototypes/_NF/Loadouts/loadout_effects.yml
+++ b/Resources/Prototypes/_NF/Loadouts/loadout_effects.yml
@@ -56,6 +56,7 @@
     - IPC # Goob
     - Tajaran # Goob
     - Diona # Mono
+    - Demon # Wega
     - Hydrakin # Mono
 
 - type: loadoutEffectGroup
diff --git a/Resources/Prototypes/_Wega/Body/Organs/demon.yml b/Resources/Prototypes/_Wega/Body/Organs/demon.yml
new file mode 100644
index 00000000000..3da0369bc82
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Body/Organs/demon.yml
@@ -0,0 +1,26 @@
+- type: entity
+  id: OrganDemonStomach
+  parent: OrganHumanStomach
+  name: stomach
+  categories: [ HideSpawnMenu ]
+  components:
+  - type: Metabolizer
+    metabolizerTypes: [ Human, Demon ]
+
+- type: entity
+  id: OrganDemonLiver
+  parent: OrganHumanLiver
+  name: liver
+  categories: [ HideSpawnMenu ]
+  components:
+  - type: Metabolizer
+    metabolizerTypes: [ Human, Demon ]
+
+- type: entity
+  id: OrganDemonHeart
+  parent: OrganHumanHeart
+  name: heart
+  categories: [ HideSpawnMenu ]
+  components:
+  - type: Metabolizer
+    metabolizerTypes: [ Human, Demon ]
diff --git a/Resources/Prototypes/_Wega/Body/Parts/demon.yml b/Resources/Prototypes/_Wega/Body/Parts/demon.yml
new file mode 100644
index 00000000000..876ae5c51b3
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Body/Parts/demon.yml
@@ -0,0 +1,121 @@
+- type: entity
+  id: PartDemon
+  parent: [BaseItem, BasePart]
+  name: "demon body part"
+  abstract: true
+  components:
+  - type: Icon
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+  - type: BodyPart
+    species: Demon
+  - type: Extractable
+    juiceSolution:
+      reagents:
+      - ReagentId: Fat
+        Quantity: 3
+      - ReagentId: DemonBlood
+        Quantity: 10
+
+- type: entity
+  id: TorsoDemon
+  name: "demon torso"
+  parent: [PartDemon, BaseTorso]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "torso_m"
+  - type: Extractable
+    juiceSolution:
+      reagents:
+      - ReagentId: Fat
+        Quantity: 10
+      - ReagentId: DemonBlood
+        Quantity: 20
+
+- type: entity
+  id: HeadDemon
+  name: "demon head"
+  parent: [PartDemon, BaseHead]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "head_m"
+  - type: Extractable
+    juiceSolution:
+      reagents:
+      - ReagentId: Fat
+        Quantity: 5
+      - ReagentId: DemonBlood
+        Quantity: 10
+
+- type: entity
+  id: LeftArmDemon
+  name: "left demon arm"
+  parent: [PartDemon, BaseLeftArm]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "l_arm"
+
+- type: entity
+  id: RightArmDemon
+  name: "right demon arm"
+  parent: [PartDemon, BaseRightArm]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "r_arm"
+
+- type: entity
+  id: LeftHandDemon
+  name: "left demon hand"
+  parent: [PartDemon, BaseLeftHand]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "l_hand"
+
+- type: entity
+  id: RightHandDemon
+  name: "right demon hand"
+  parent: [PartDemon, BaseRightHand]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "r_hand"
+
+- type: entity
+  id: LeftLegDemon
+  name: "left demon leg"
+  parent: [PartDemon, BaseLeftLeg]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "l_leg"
+
+- type: entity
+  id: RightLegDemon
+  name: "right demon leg"
+  parent: [PartDemon, BaseRightLeg]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "r_leg"
+
+- type: entity
+  id: LeftFootDemon
+  name: "left demon foot"
+  parent: [PartDemon, BaseLeftFoot]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "l_foot"
+
+- type: entity
+  id: RightFootDemon
+  name: "right demon foot"
+  parent: [PartDemon, BaseRightFoot]
+  components:
+  - type: Sprite
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: "r_foot"
diff --git a/Resources/Prototypes/_Wega/Body/Prototypes/demon.yml b/Resources/Prototypes/_Wega/Body/Prototypes/demon.yml
new file mode 100644
index 00000000000..3fd47eae6f1
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Body/Prototypes/demon.yml
@@ -0,0 +1,50 @@
+- type: body
+  id: Demon
+  name: "demon"
+  root: torso
+  slots:
+    head:
+      part: HeadDemon
+      connections:
+      - torso
+      organs:
+        brain: OrganHumanBrain
+        eyes: OrganHumanEyes
+    torso:
+      part: TorsoDemon
+      connections:
+      - right arm
+      - left arm
+      - right leg
+      - left leg
+      - head
+      organs:
+        heart: OrganDemonHeart
+        lungs: OrganAnimalLungs
+        stomach: OrganDemonStomach
+        liver: OrganDemonLiver
+        kidneys: OrganAnimalKidneys
+    right arm:
+      part: RightArmDemon
+      connections:
+      - right hand
+    left arm:
+      part: LeftArmDemon
+      connections:
+      - left hand
+    right hand:
+      part: RightHandDemon
+    left hand:
+      part: LeftHandDemon
+    right leg:
+      part: RightLegDemon
+      connections:
+      - right foot
+    left leg:
+      part: LeftLegDemon
+      connections:
+      - left foot
+    right foot:
+      part: RightFootDemon
+    left foot:
+      part: LeftFootDemon
diff --git a/Resources/Prototypes/_Wega/Chemistry/metabolizer_types.yml b/Resources/Prototypes/_Wega/Chemistry/metabolizer_types.yml
new file mode 100644
index 00000000000..d542c900d1b
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Chemistry/metabolizer_types.yml
@@ -0,0 +1,3 @@
+- type: metabolizerType
+  id: Demon
+  name: metabolizer-type-demon
diff --git a/Resources/Prototypes/_Wega/Damage/modifier_sets.yml b/Resources/Prototypes/_Wega/Damage/modifier_sets.yml
new file mode 100644
index 00000000000..992346185cc
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Damage/modifier_sets.yml
@@ -0,0 +1,9 @@
+- type: damageModifierSet
+  id: Demon
+  coefficients:
+    Blunt: 1
+    Slash: 1
+    Piercing: 1
+    Cold: 0.9
+    Heat: 0.85
+    Poison: 0.85
diff --git a/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon.yml b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon.yml
new file mode 100644
index 00000000000..af7456756c3
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon.yml
@@ -0,0 +1,165 @@
+- type: marking
+  id: DemonChestCowSpots
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: cow_spots
+
+- type: marking
+  id: DemonChestGuard
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: guards_stripes
+
+- type: marking
+  id: DemonChestLinesEmperos
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: lines_emperos
+
+- type: marking
+  id: DemonChestQueenLines
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: queen_lines
+
+- type: marking
+  id: DemonChestTreeLines
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tree_lines
+
+- type: marking
+  id: DemonChestTrinitySpots
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: trinity_spots
+
+- type: marking
+  id: DemonGoatee
+  bodyPart: FacialHair
+  markingCategory: FacialHair
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: goatee
+
+- type: marking
+  id: DemonrigthEye
+  bodyPart: Eyes
+  markingCategory: Head
+  speciesRestriction: [ Demon ]
+  coloring:
+    default:
+      type:
+        !type:EyeColoring
+          negative: true
+  sprites:
+  - sprite: Mobs/Customization/tattoos.rsi
+    state: tattoo_eye_r
+
+- type: marking
+  id: DemonleftEye
+  bodyPart: Eyes
+  markingCategory: Head
+  speciesRestriction: [ Demon ]
+  coloring:
+    default:
+      type:
+        !type:EyeColoring
+          negative: true
+  sprites:
+  - sprite: Mobs/Customization/tattoos.rsi
+    state: tattoo_eye_l
+
+- type: marking
+  id: Allsuccubus
+  bodyPart: Chest
+  markingCategory: Chest
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: succubus
+
+# Half-Lava
+- type: marking
+  id: DemonDrakeTile
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: [ Demon ]
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+    layers:
+      wendigo-horn-secondary:
+        type:
+          !type:EyeColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_lava.rsi
+    state: tail_drake
+  - sprite: _Wega/Demon/Mobs/Customization/demon_lava.rsi
+    state: tail_drake_secondary
+
+- type: marking
+  id: DemonDrakeTileAnimated
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: []
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+    layers:
+      wendigo-horn-secondary:
+        type:
+          !type:EyeColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_lava.rsi
+    state: tail_drake_wagging
+  - sprite: _Wega/Demon/Mobs/Customization/demon_lava.rsi
+    state: tail_drake_wagging_secondary
+
+- type: marking
+  id: DemonDrakeSpine
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_lava.rsi
+    state: drake_spine
+
+- type: marking
+  id: DemonDrakeLArm
+  bodyPart: LArm
+  markingCategory: Arms
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_lava.rsi
+    state: l_drake_arm
+
+- type: marking
+  id: DemonDrakeRArm
+  bodyPart: RArm
+  markingCategory: Arms
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_lava.rsi
+    state: r_drake_arm
diff --git a/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_breasts.yml b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_breasts.yml
new file mode 100644
index 00000000000..6fa8902be01
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_breasts.yml
@@ -0,0 +1,74 @@
+- type: marking
+  id: DemonBreastSmall
+  bodyPart: Chest
+  markingCategory: Chest
+  speciesRestriction: [ Demon ]
+  sexRestriction: [ Female ]
+  forcedColoring: true
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_breasts.rsi
+    state: small
+
+- type: marking
+  id: DemonBreastDefault
+  bodyPart: Chest
+  markingCategory: Chest
+  speciesRestriction: [ Demon ]
+  sexRestriction: [ Female ]
+  forcedColoring: true
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_breasts.rsi
+    state: default
+
+- type: marking
+  id: DemonBreastMedium
+  bodyPart: Chest
+  markingCategory: Chest
+  speciesRestriction: [ Demon ]
+  sexRestriction: [ Female ]
+  forcedColoring: true
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_breasts.rsi
+    state: medium
+
+- type: marking
+  id: DemonBreastBig
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sexRestriction: [ Female ]
+  forcedColoring: true
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_breasts.rsi
+    state: big
+
+- type: marking
+  id: DemonBreastSuperBig
+  bodyPart: Special
+  markingCategory: Special
+  speciesRestriction: [ Demon ]
+  sexRestriction: [ Female ]
+  forcedColoring: true
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon_breasts.rsi
+    state: superbig
diff --git a/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_ears.yml b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_ears.yml
new file mode 100644
index 00000000000..74906bb2552
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_ears.yml
@@ -0,0 +1,26 @@
+- type: marking
+  id: DemonCowEars
+  bodyPart: HeadSide
+  markingCategory: HeadSide
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: cow_ears
+
+- type: marking
+  id: DemonEars
+  bodyPart: HeadSide
+  markingCategory: HeadSide
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: demon_ears
+
+- type: marking
+  id: DemonElfEars
+  bodyPart: HeadSide
+  markingCategory: HeadSide
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: ears_elf
diff --git a/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_horns.yml b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_horns.yml
new file mode 100644
index 00000000000..6f137b8ae9d
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_horns.yml
@@ -0,0 +1,152 @@
+- type: marking
+  id: DemonCowHorns
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: cow_horns
+
+- type: marking
+  id: DemonHornsDeer
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: deer_antlers_horns
+
+- type: marking
+  id: DemonHornsSmall
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: small_horns
+
+- type: marking
+  id: DemonHornsBuffalo
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: horns_buffalo
+
+- type: marking
+  id: DemonHornsCarpicorn
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: horns_capricorn
+
+- type: marking
+  id: DemonHornsDevil
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: horns_devil
+
+- type: marking
+  id: DemonHornsDevil2
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: horns_devil2
+
+- type: marking
+  id: DemonHornsDevil3
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: horns_devil3
+
+- type: marking
+  id: DemonHornsDevil4
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: horns_devil4
+
+- type: marking
+  id: DemonHornsRam
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: horns_ram
+
+- type: marking
+  id: DemonHornsUnicorn
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: horns_unicorn
+
+- type: marking
+  id: DemonHornsBackwardHorns
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/size_horns32x64.rsi
+    state: backward_horns
+
+- type: marking
+  id: DemonHornsDarkCrown
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/size_horns32x64.rsi
+    state: dark_crown
+
+- type: marking
+  id: DemonHornsDevilPrimeSi1
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/size_horns32x64.rsi
+    state: devil_prime1_s
+
+- type: marking
+  id: DemonHornsDevilPrime1
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/size_horns32x64.rsi
+    state: devil_prime1
+
+- type: marking
+  id: DemonHornsDevilPrime2
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/size_horns32x64.rsi
+    state: devil_prime2
+
+- type: marking
+  id: DemonHornsFatHorn
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [ Demon ]
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/size_horns32x64.rsi
+    state: fat_horn
diff --git a/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_tails.yml b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_tails.yml
new file mode 100644
index 00000000000..3aa9b9bb247
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Mobs/Customization/Markings/demon_tails.yml
@@ -0,0 +1,100 @@
+- type: marking
+  id: DemomTail
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: [ Demon ]
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tail
+
+- type: marking
+  id: DemomTail1
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: [ Demon ]
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tail
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: demon_tail
+
+- type: marking
+  id: DemomTailLong
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: [ Demon ]
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tail
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: long
+
+- type: marking
+  id: DemomTailUp
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: [ Demon ]
+  coloring:
+    default:
+      type:
+        !type:SkinColoring
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tail
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: up
+
+# Animated
+- type: marking
+  id: DemomTailAnimated
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: []
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tail_waggin
+
+- type: marking
+  id: DemomTail1Animated
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: []
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tail_waggin
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: demon_tail_waggin
+
+- type: marking
+  id: DemomTailLongAnimated
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: []
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tail_waggin
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: long_waggin
+
+- type: marking
+  id: DemomTailUpAnimated
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: []
+  sprites:
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: tail_waggin
+  - sprite: _Wega/Demon/Mobs/Customization/demon.rsi
+    state: up_waggin
diff --git a/Resources/Prototypes/_Wega/Entities/Mobs/NPCs/animals.yml b/Resources/Prototypes/_Wega/Entities/Mobs/NPCs/animals.yml
new file mode 100644
index 00000000000..24e108683ad
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Mobs/NPCs/animals.yml
@@ -0,0 +1,4 @@
+- type: entity
+  id: MobMonkeyDemon
+  parent: MobMonkey
+  suffix: AI, Demon
diff --git a/Resources/Prototypes/_Wega/Entities/Mobs/Player/demon.yml b/Resources/Prototypes/_Wega/Entities/Mobs/Player/demon.yml
new file mode 100644
index 00000000000..0cb5e9a745b
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Mobs/Player/demon.yml
@@ -0,0 +1,5 @@
+- type: entity
+  save: false
+  name: Urist McDemon
+  parent: BaseMobDemon
+  id: MobDemon
diff --git a/Resources/Prototypes/_Wega/Entities/Mobs/Species/demon.yml b/Resources/Prototypes/_Wega/Entities/Mobs/Species/demon.yml
new file mode 100644
index 00000000000..136dcfdf3fb
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Mobs/Species/demon.yml
@@ -0,0 +1,197 @@
+- type: entity
+  parent: BaseMobSpeciesOrganic
+  id: BaseMobDemon
+  name: Urist McDemon
+  abstract: true
+  components:
+  - type: HumanoidAppearance
+    species: Demon
+    hideLayersOnEquip:
+    - Snout
+    - HeadSide
+  - type: Carriable
+  - type: Hunger
+  - type: Puller
+    needsHands: false
+  - type: Thirst
+  - type: Body
+    prototype: Demon
+    requiredLegs: 2
+  - type: Icon
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: full_m
+  - type: Sprite
+    layers:
+    - map: [ "enum.HumanoidVisualLayers.Chest" ]
+    - map: [ "enum.HumanoidVisualLayers.Head" ]
+    - map: [ "enum.HumanoidVisualLayers.Snout" ]
+    - map: [ "enum.HumanoidVisualLayers.Eyes" ]
+    - map: [ "enum.HumanoidVisualLayers.RArm" ]
+    - map: [ "enum.HumanoidVisualLayers.LArm" ]
+    - map: [ "enum.HumanoidVisualLayers.RLeg" ]
+    - map: [ "enum.HumanoidVisualLayers.LLeg" ]
+    - map: [ "enum.HumanoidVisualLayers.Special" ]
+    - map: ["jumpsuit"]
+    - map: ["enum.HumanoidVisualLayers.LFoot"]
+    - map: ["enum.HumanoidVisualLayers.RFoot"]
+    - map: ["enum.HumanoidVisualLayers.LHand"]
+    - map: ["enum.HumanoidVisualLayers.RHand"]
+    - map: [ "gloves" ]
+    - map: [ "shoes" ]
+    - map: [ "ears" ]
+    - map: [ "id" ]
+    - map: [ "outerClothing" ]
+    - map: [ "eyes" ]
+    - map: [ "belt" ]
+    - map: [ "back" ]
+    - map: [ "enum.HumanoidVisualLayers.FacialHair" ]
+    - map: [ "enum.HumanoidVisualLayers.Hair" ]
+    - map: [ "enum.HumanoidVisualLayers.HeadSide" ]
+    - map: [ "enum.HumanoidVisualLayers.HeadTop" ]
+    - map: [ "enum.HumanoidVisualLayers.Tail" ]
+    - map: [ "enum.HumanoidVisualLayers.Wings" ]
+    - map: [ "balaclava" ]
+    - map: [ "mask" ]
+    - map: [ "head" ]
+    - map: [ "neck" ]
+    - map: [ "helmetcover" ]
+    - map: [ "helmetattachment" ]
+    - map: [ "pocket1" ]
+    - map: [ "pocket2" ]
+    - map: ["enum.HumanoidVisualLayers.Handcuffs"]
+      color: "#ffffff"
+      sprite: Objects/Misc/handcuffs.rsi
+      state: body-overlay-2
+      visible: false
+    - map: [ "clownedon" ]
+      sprite: "Effects/creampie.rsi"
+      state: "creampie_human"
+      visible: false
+  - type: MeleeWeapon
+    soundHit:
+      path: /Audio/Weapons/pierce.ogg
+    angle: 30
+    animation: WeaponArcPunch
+    damage:
+      types:
+        Slash: 2
+        Piercing: 3
+  - type: Damageable
+    damageContainer: Biological
+    damageModifierSet: Demon
+  - type: Bloodstream
+    bloodMaxVolume: 200
+    bloodReagent: DemonBlood
+    bloodlossDamage:
+      types:
+        Bloodloss: 1.5
+    bloodlossHealDamage:
+      types:
+        Bloodloss: -2
+    bleedReductionAmount: 0.2
+  - type: LanguageKnowledge
+    speaks:
+    - Kelael
+    - TauCetiBasic
+    understands:
+    - Kelael
+    - TauCetiBasic
+  - type: Temperature
+    heatDamageThreshold: 343
+    coldDamageThreshold: 255
+    currentTemperature: 310.15
+    specificHeat: 46
+    coldDamage:
+      types:
+        Cold: 0.1
+    heatDamage:
+      types:
+        Heat: 0.5
+  - type: TemperatureSpeed
+    thresholds:
+      285: 0.8
+      248: 0.6
+      220: 0.4
+  - type: PassiveDamage
+    allowedStates:
+    - Alive
+    damage:
+      types:
+        Heat: -0.1
+        Blunt: -0.1
+  - type: Wagging
+  - type: Inventory
+    femaleDisplacements:
+      jumpsuit:
+        sizeMaps:
+          32:
+            sprite: _Wega/Demon/Mobs/Species/Demon/displacement.rsi
+            state: jumpsuit-female
+
+- type: entity
+  parent: MobHumanDummy
+  id: MobDemonDummy
+  categories: [ HideSpawnMenu ]
+  components:
+  - type: Sprite
+    layers:
+    - map: [ "enum.HumanoidVisualLayers.Chest" ]
+    - map: [ "enum.HumanoidVisualLayers.Head" ]
+    - map: [ "enum.HumanoidVisualLayers.Snout" ]
+    - map: [ "enum.HumanoidVisualLayers.Eyes" ]
+    - map: [ "enum.HumanoidVisualLayers.RArm" ]
+    - map: [ "enum.HumanoidVisualLayers.LArm" ]
+    - map: [ "enum.HumanoidVisualLayers.RLeg" ]
+    - map: [ "enum.HumanoidVisualLayers.LLeg" ]
+    - map: [ "enum.HumanoidVisualLayers.Special" ]
+    - map: ["jumpsuit"]
+    - map: ["enum.HumanoidVisualLayers.LFoot"]
+    - map: ["enum.HumanoidVisualLayers.RFoot"]
+    - map: ["enum.HumanoidVisualLayers.LHand"]
+    - map: ["enum.HumanoidVisualLayers.RHand"]
+    - map: [ "gloves" ]
+    - map: [ "shoes" ]
+    - map: [ "ears" ]
+    - map: [ "id" ]
+    - map: [ "outerClothing" ]
+    - map: [ "eyes" ]
+    - map: [ "belt" ]
+    - map: [ "back" ]
+    - map: [ "enum.HumanoidVisualLayers.FacialHair" ]
+    - map: [ "enum.HumanoidVisualLayers.Hair" ]
+    - map: [ "enum.HumanoidVisualLayers.HeadSide" ]
+    - map: [ "enum.HumanoidVisualLayers.HeadTop" ]
+    - map: [ "enum.HumanoidVisualLayers.Tail" ]
+    - map: [ "enum.HumanoidVisualLayers.Wings" ]
+    - map: [ "balaclava" ]
+    - map: [ "mask" ]
+    - map: [ "head" ]
+    - map: [ "neck" ]
+    - map: [ "helmetcover" ]
+    - map: [ "helmetattachment" ]
+    - map: [ "pocket1" ]
+    - map: [ "pocket2" ]
+    - map: ["enum.HumanoidVisualLayers.Handcuffs"]
+      color: "#ffffff"
+      sprite: Objects/Misc/handcuffs.rsi
+      state: body-overlay-2
+      visible: false
+    - map: [ "clownedon" ]
+      sprite: "Effects/creampie.rsi"
+      state: "creampie_human"
+      visible: false
+  - type: HumanoidAppearance
+    species: Demon
+    hideLayersOnEquip:
+    - Snout
+    - HeadSide
+  - type: Body
+    prototype: Demon
+    requiredLegs: 2
+  - type: Inventory
+    femaleDisplacements:
+      jumpsuit:
+        sizeMaps:
+          32:
+            sprite: _Wega/Demon/Mobs/Species/Demon/displacement.rsi
+            state: jumpsuit-female
diff --git a/Resources/Prototypes/_Wega/Entities/Objects/Misc/ancestor_cube.yml b/Resources/Prototypes/_Wega/Entities/Objects/Misc/ancestor_cube.yml
new file mode 100644
index 00000000000..ae55a66b5a6
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Objects/Misc/ancestor_cube.yml
@@ -0,0 +1,9 @@
+- type: entity
+  parent: MonkeyCubeWrapped
+  name: monkey demon cube
+  id: MonkeyDemonCubeWrapped
+  description: Unwrap this to get a demon cube.
+  components:
+  - type: SpawnItemsOnUse
+    items:
+      - id: MonkeyDemonCube
diff --git a/Resources/Prototypes/_Wega/Entities/Objects/Specific/rehydrateable.yml b/Resources/Prototypes/_Wega/Entities/Objects/Specific/rehydrateable.yml
new file mode 100644
index 00000000000..4b59db2f23b
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Entities/Objects/Specific/rehydrateable.yml
@@ -0,0 +1,8 @@
+- type: entity
+  parent: MonkeyCube
+  id: MonkeyDemonCube
+  name: monkey demon cube
+  components:
+  - type: Rehydratable
+    possibleSpawns:
+    - MobMonkeyDemon
diff --git a/Resources/Prototypes/_Wega/Guidebook/species.yml b/Resources/Prototypes/_Wega/Guidebook/species.yml
new file mode 100644
index 00000000000..ca27b56686a
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Guidebook/species.yml
@@ -0,0 +1,4 @@
+- type: guideEntry
+  id: Demon
+  name: species-name-demon
+  text: "/ServerInfo/_Wega/Guidebook/Mobs/Demon.xml"
diff --git a/Resources/Prototypes/_Wega/Language/kelael.yml b/Resources/Prototypes/_Wega/Language/kelael.yml
new file mode 100644
index 00000000000..e0ec1bbe547
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Language/kelael.yml
@@ -0,0 +1,31 @@
+# Spoken by Arkans (Demon species).
+- type: language
+  id: Kelael
+  isVisibleLanguage: true
+  speech:
+    color: "#c9a7ebdd"
+  obfuscation:
+    !type:SyllableObfuscation
+    minSyllables: 4
+    maxSyllables: 6
+    replacement:
+    - ae
+    - ael
+    - iae
+    - lae
+    - elia
+    - liora
+    - naia
+    - raeli
+    - selia
+    - velia
+    - aniel
+    - eira
+    - aurel
+    - siona
+    - liria
+    - riela
+    - aevia
+    - eliora
+    - naelia
+    - sariae
diff --git a/Resources/Prototypes/_Wega/Reagents/biological.yml b/Resources/Prototypes/_Wega/Reagents/biological.yml
new file mode 100644
index 00000000000..235321e72a7
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Reagents/biological.yml
@@ -0,0 +1,60 @@
+- type: reagent
+  parent: Blood
+  id: DemonBlood
+  name: reagent-name-demon-blood
+  group: Biological
+  desc: reagent-desc-demon-blood
+  flavor: bitter
+  color: "#b43313ca"
+  recognizable: true
+  physicalDesc: reagent-physical-desc-pungent
+  footstepSound:
+    collection: FootstepBlood
+    params:
+      volume: 6
+  metabolisms:
+    Medicine:
+      effects:
+      - !type:HealthChange
+        damage:
+          types:
+            Blunt: -1
+            Slash: -1
+            Piercing: -1
+            Poison: -1
+            Heat: -1
+            Shock: -1
+            Cold: -1
+            Caustic: -1
+            Asphyxiation: -1
+            Bloodloss: -1
+        conditions:
+        - !type:OrganType
+          type: Demon
+          shouldHave: false
+      - !type:HealthChange
+        damage:
+          types:
+            Poison: 1
+        conditions:
+        - !type:OrganType
+          type: Demon
+          shouldHave: true
+      - !type:ChemVomit
+        probability: 0.5
+        conditions:
+        - !type:OrganType
+          type: Demon
+          shouldHave: true
+      - !type:SatiateThirst
+        factor: 4
+        conditions:
+        - !type:OrganType
+          type: Demon
+          shouldHave: false
+      - !type:ModifyBloodLevel
+        amount: 4
+        conditions:
+        - !type:OrganType
+          type: Demon
+          shouldHave: false
diff --git a/Resources/Prototypes/_Wega/Species/demon.yml b/Resources/Prototypes/_Wega/Species/demon.yml
new file mode 100644
index 00000000000..bbbeb35c130
--- /dev/null
+++ b/Resources/Prototypes/_Wega/Species/demon.yml
@@ -0,0 +1,160 @@
+- type: species
+  id: Demon
+  name: species-name-demon
+  roundStart: true
+  prototype: MobDemon
+  sprites: MobDemonSprites
+  markingLimits: MobDemonMarkingLimits
+  dollPrototype: MobDemonDummy
+  defaultSkinTone: "#34a223"
+  skinColoration: Hues
+  # LuaM commented start:
+  # MaleFirstNames: names_first_male
+  # femaleFirstNames: names_first_female
+  # lastNames: names_last
+  # LuaM commented end:
+  naming: FirstLast
+  minAge: 50
+  youngAge: 100
+  oldAge: 350
+  maxAge: 500
+
+- type: speciesBaseSprites
+  id: MobDemonSprites
+  sprites:
+    Special: MobHumanoidAnyMarking
+    Head: MobDemonHead
+    Hair: MobHumanoidAnyMarking
+    FacialHair: MobHumanoidAnyMarking
+    Snout: MobHumanoidAnyMarking
+    Chest: MobDemonTorso
+    HeadTop: MobHumanoidAnyMarking
+    HeadSide: MobHumanoidAnyMarking
+    Tail: MobHumanoidAnyMarking
+    Eyes: MobHumanoidEyes
+    LArm: MobDemonLArm
+    RArm: MobDemonRArm
+    LHand: MobDemonLHand
+    RHand: MobDemonRHand
+    LLeg: MobDemonLLeg
+    RLeg: MobDemonRLeg
+    LFoot: MobDemonLFoot
+    RFoot: MobDemonRFoot
+
+- type: markingPoints
+  id: MobDemonMarkingLimits
+  points:
+    Special:
+      points: 1
+      required: false
+    Hair:
+      points: 1
+      required: false
+    FacialHair:
+      points: 1
+      required: false
+    Snout:
+      points: 2
+      required: false
+    Tail:
+      points: 1
+      required: false
+    HeadTop:
+      points: 1
+      required: false
+    HeadSide:
+      points: 1
+      required: false
+    Chest:
+      points: 1
+      required: false
+    Legs:
+      points: 2
+      required: false
+    Arms:
+      points: 2
+      required: false
+
+- type: humanoidBaseSprite
+  id: MobDemonHead
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: head_m
+
+- type: humanoidBaseSprite
+  id: MobDemonHeadMale
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: head_m
+
+- type: humanoidBaseSprite
+  id: MobDemonHeadFemale
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: head_f
+
+- type: humanoidBaseSprite
+  id: MobDemonTorso
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: torso_m
+
+- type: humanoidBaseSprite
+  id: MobDemonTorsoMale
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: torso_m
+
+- type: humanoidBaseSprite
+  id: MobDemonTorsoFemale
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: torso_f
+
+- type: humanoidBaseSprite
+  id: MobDemonLLeg
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: l_leg
+
+- type: humanoidBaseSprite
+  id: MobDemonLHand
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: l_hand
+
+- type: humanoidBaseSprite
+  id: MobDemonLArm
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: l_arm
+
+- type: humanoidBaseSprite
+  id: MobDemonLFoot
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: l_foot
+
+- type: humanoidBaseSprite
+  id: MobDemonRLeg
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: r_leg
+
+- type: humanoidBaseSprite
+  id: MobDemonRHand
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: r_hand
+
+- type: humanoidBaseSprite
+  id: MobDemonRArm
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: r_arm
+
+- type: humanoidBaseSprite
+  id: MobDemonRFoot
+  baseSprite:
+    sprite: _Wega/Demon/Mobs/Species/Demon/parts.rsi
+    state: r_foot
diff --git a/Resources/ServerInfo/_Wega/Guidebook/Mobs/Demon.xml b/Resources/ServerInfo/_Wega/Guidebook/Mobs/Demon.xml
new file mode 100644
index 00000000000..efaf02e7c4a
--- /dev/null
+++ b/Resources/ServerInfo/_Wega/Guidebook/Mobs/Demon.xml
@@ -0,0 +1,17 @@
+<Document>
+  # Арканы
+  <Box>
+    <GuideEntityEmbed Entity="MobDemon" Caption=""/>
+  </Box>
+
+  Арканы — раса демоновидных, обладающая устойчивостью к неблагоприятной среде и расширенным температурным диапазоном.
+
+  ## Расовые особенности
+
+  - Температурный порог: [color=#1e90ff]-23.15°C до 89.85°C[/color].
+  - Для большинства рас: -13.15°C до 86.85°C.
+  - [color=#1e90ff]-30%[/color] урона от холода.
+  - [color=#1e90ff]-25%[/color] термического урона.
+  - [color=#1e90ff]-20%[/color] урона от ядов.
+  - [color=red]+50%[/color] клеточного урона.
+</Document>
diff --git a/Resources/Textures/_Wega/Demon/Interface/Actions/action_demon.rsi/instant_regeneration.png b/Resources/Textures/_Wega/Demon/Interface/Actions/action_demon.rsi/instant_regeneration.png
new file mode 100644
index 00000000000..4a872fb9892
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Interface/Actions/action_demon.rsi/instant_regeneration.png differ
diff --git a/Resources/Textures/_Wega/Demon/Interface/Actions/action_demon.rsi/meta.json b/Resources/Textures/_Wega/Demon/Interface/Actions/action_demon.rsi/meta.json
new file mode 100644
index 00000000000..a1e6d16976b
--- /dev/null
+++ b/Resources/Textures/_Wega/Demon/Interface/Actions/action_demon.rsi/meta.json
@@ -0,0 +1,14 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Created by HappyRoach",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+        {
+            "name": "instant_regeneration"
+        }
+    ]
+}
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/cow_ears.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/cow_ears.png
new file mode 100644
index 00000000000..22007745cde
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new file mode 100644
index 00000000000..9475dc23abd
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new file mode 100644
index 00000000000..2395259e54c
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new file mode 100644
index 00000000000..b971a246550
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/demon_ears.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/demon_ears.png
new file mode 100644
index 00000000000..3590fb98f99
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/demon_tail.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/demon_tail.png
new file mode 100644
index 00000000000..4bc3356e29b
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/demon_tail_waggin.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/demon_tail_waggin.png
new file mode 100644
index 00000000000..97a31b56645
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new file mode 100644
index 00000000000..f0556403320
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new file mode 100644
index 00000000000..3a89e30a90b
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new file mode 100644
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new file mode 100644
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new file mode 100644
index 00000000000..903cf48faaa
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new file mode 100644
index 00000000000..1d4cf144391
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new file mode 100644
index 00000000000..f2df5ae9083
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/lines_emperos.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/lines_emperos.png
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/long.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/long.png
new file mode 100644
index 00000000000..7f3b42dbaad
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/long_waggin.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/long_waggin.png
new file mode 100644
index 00000000000..df6010e4191
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/meta.json b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/meta.json
new file mode 100644
index 00000000000..9e3de7349de
--- /dev/null
+++ b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/meta.json
@@ -0,0 +1,155 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Created by discord:lunalita, Recoloring by melissandravov",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+        {
+            "name": "cow_ears",
+            "directions": 4
+        },
+        {
+            "name": "demon_ears",
+            "directions": 4
+        },
+        {
+            "name": "goatee",
+            "directions": 4
+        },
+        {
+            "name": "cow_horns",
+            "directions": 4
+        },
+        {
+            "name": "cow_spots",
+            "directions": 4
+        },
+        {
+            "name": "deer_antlers_horns",
+            "directions": 4
+        },
+        {
+            "name": "guards_stripes",
+            "directions": 4
+        },
+        {
+            "name": "lines_emperos",
+            "directions": 4
+        },
+        {
+            "name": "queen_lines",
+            "directions": 4
+        },
+        {
+            "name": "small_horns",
+            "directions": 4
+        },
+        {
+            "name": "tree_lines",
+            "directions": 4
+        },
+        {
+            "name": "trinity_spots",
+            "directions": 4
+        },
+        {
+            "name": "succubus",
+            "directions": 4
+        },
+        {
+            "name": "tail",
+            "directions": 4
+        },
+        {
+            "name": "demon_tail",
+            "directions": 4
+        },
+        {
+            "name": "long",
+            "directions": 4
+        },
+        {
+            "name": "up",
+            "directions": 4
+        },
+        {
+            "name": "tail_waggin",
+            "directions": 4,
+            "delays": [ 
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ]
+            ]
+        },
+        {
+            "name": "demon_tail_waggin",
+            "directions": 4,
+            "delays": [ 
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ]
+            ]
+        },
+        {
+            "name": "long_waggin",
+            "directions": 4,
+            "delays": [ 
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ]
+            ]
+        },
+        {
+            "name": "up_waggin",
+            "directions": 4,
+            "delays": [ 
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ],
+                [ 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125, 0.125 ]
+            ]
+        },
+        {
+            "name": "ears_elf",
+            "directions": 4
+        },
+        {
+            "name": "horns_buffalo",
+            "directions": 4
+        },
+        {
+            "name": "horns_capricorn",
+            "directions": 4
+        },
+        {
+            "name": "horns_devil",
+            "directions": 4
+        },
+        {
+            "name": "horns_devil2",
+            "directions": 4
+        },
+        {
+            "name": "horns_devil3",
+            "directions": 4
+        },
+        {
+            "name": "horns_devil4",
+            "directions": 4
+        },
+        {
+            "name": "horns_ram",
+            "directions": 4
+        },
+        {
+            "name": "horns_unicorn",
+            "directions": 4
+        }
+    ]
+}
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/queen_lines.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/queen_lines.png
new file mode 100644
index 00000000000..70e9611ed7e
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/queen_lines.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/small_horns.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/small_horns.png
new file mode 100644
index 00000000000..b7662eaa149
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/small_horns.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/succubus.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/succubus.png
new file mode 100644
index 00000000000..b80aab6dda2
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/succubus.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tail.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tail.png
new file mode 100644
index 00000000000..3ad6de98518
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tail.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tail_waggin.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tail_waggin.png
new file mode 100644
index 00000000000..7f7af429130
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tail_waggin.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tree_lines.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tree_lines.png
new file mode 100644
index 00000000000..4bfc075a26b
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/tree_lines.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/trinity_spots.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/trinity_spots.png
new file mode 100644
index 00000000000..ac845e39c6f
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/trinity_spots.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/up.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/up.png
new file mode 100644
index 00000000000..85869df38cc
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/up.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/up_waggin.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/up_waggin.png
new file mode 100644
index 00000000000..03a5dfbde19
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon.rsi/up_waggin.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/big.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/big.png
new file mode 100644
index 00000000000..6dd4c75832c
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/big.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/default.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/default.png
new file mode 100644
index 00000000000..768ae77aa99
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/default.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/medium.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/medium.png
new file mode 100644
index 00000000000..204a460c02e
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/medium.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/meta.json b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/meta.json
new file mode 100644
index 00000000000..4feb30abeb3
--- /dev/null
+++ b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/meta.json
@@ -0,0 +1,31 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Made with love by Melissandra",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+      {
+          "name": "small",
+          "directions": 4
+      },
+      {
+          "name": "default",
+          "directions": 4
+      },
+      {
+          "name": "medium",
+          "directions": 4
+      },
+      {
+          "name": "big",
+          "directions": 4
+      },
+      {
+        "name": "superbig",
+        "directions": 4
+      }
+    ]
+}
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/small.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/small.png
new file mode 100644
index 00000000000..caeaea80316
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/small.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/superbig.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/superbig.png
new file mode 100644
index 00000000000..6891a1ab6db
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_breasts.rsi/superbig.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/drake_spine.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/drake_spine.png
new file mode 100644
index 00000000000..e8d3bb58add
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/drake_spine.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/l_drake_arm.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/l_drake_arm.png
new file mode 100644
index 00000000000..03cd6a8d771
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/l_drake_arm.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/meta.json b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/meta.json
new file mode 100644
index 00000000000..941be05f73a
--- /dev/null
+++ b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/meta.json
@@ -0,0 +1,188 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Spine, arm Created by HappyRoach",
+	"copyright": "https://github.com/Skyrat-SS13/Skyrat-tg/tree/40e3cdbb15b8bc0d5ef2fb46133adf805bda5297, Wagging tail by SonicDC. ",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+    {
+          "name": "drake_spine",
+          "directions": 4
+    },
+    {
+          "name": "l_drake_arm",
+          "directions": 4
+    },
+    {
+          "name": "r_drake_arm",
+          "directions": 4
+    },
+    {
+          "name": "tail_drake",
+          "directions": 4
+    },
+    {
+        "name": "tail_drake_secondary",
+        "directions": 4
+    },
+	{
+      "name": "tail_drake_wagging",
+      "directions": 4,
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+	{
+      "name": "tail_drake_wagging_secondary",
+      "directions": 4,
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    }
+    ]
+}
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/r_drake_arm.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/r_drake_arm.png
new file mode 100644
index 00000000000..029797c6adf
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/r_drake_arm.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake.png
new file mode 100644
index 00000000000..1874d635037
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_secondary.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_secondary.png
new file mode 100644
index 00000000000..bdf7cf45322
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_secondary.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_wagging.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_wagging.png
new file mode 100644
index 00000000000..c5118ce0f53
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_wagging.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_wagging_secondary.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_wagging_secondary.png
new file mode 100644
index 00000000000..07846a59c10
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/demon_lava.rsi/tail_drake_wagging_secondary.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/backward_horns.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/backward_horns.png
new file mode 100644
index 00000000000..6d820dedd5c
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/backward_horns.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/dark_crown.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/dark_crown.png
new file mode 100644
index 00000000000..dd1523c745d
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/dark_crown.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/devil_prime1.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/devil_prime1.png
new file mode 100644
index 00000000000..c0dba1b1bc5
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/devil_prime1.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/devil_prime1_s.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/devil_prime1_s.png
new file mode 100644
index 00000000000..e0221f4e00d
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/devil_prime2.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/devil_prime2.png
new file mode 100644
index 00000000000..a5100bf496d
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/devil_prime2.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/fat_horn.png b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/fat_horn.png
new file mode 100644
index 00000000000..2046b68515c
Binary files /dev/null and b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/fat_horn.png differ
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/meta.json b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/meta.json
new file mode 100644
index 00000000000..cada37f1672
--- /dev/null
+++ b/Resources/Textures/_Wega/Demon/Mobs/Customization/size_horns32x64.rsi/meta.json
@@ -0,0 +1,35 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Created by discord:unlumy, Recoloring by melissandravov",
+    "size": {
+        "x": 32,
+        "y": 64
+    },
+    "states": [
+        {
+            "name": "backward_horns",
+            "directions": 4
+        },
+        {
+            "name": "dark_crown",
+            "directions": 4
+        },
+        {
+            "name": "devil_prime1_s",
+            "directions": 4
+        },
+        {
+            "name": "devil_prime1",
+            "directions": 4
+        },
+        {
+            "name": "devil_prime2",
+            "directions": 4
+        },
+        {
+            "name": "fat_horn",
+            "directions": 4
+        }
+    ]
+}
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/displacement.rsi/jumpsuit-female.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/displacement.rsi/jumpsuit-female.png
new file mode 100644
index 00000000000..be9c1064fbd
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/displacement.rsi/meta.json b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/displacement.rsi/meta.json
new file mode 100644
index 00000000000..7ac587cad70
--- /dev/null
+++ b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/displacement.rsi/meta.json
@@ -0,0 +1,18 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Made by TheShuEd",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "load": {
+        "srgb": false
+    },
+    "states": [
+        {
+            "name": "jumpsuit-female",
+            "directions": 4
+        }
+    ]
+}
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/full_f.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/full_f.png
new file mode 100644
index 00000000000..90d6af9cfaf
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new file mode 100644
index 00000000000..1793593f3ac
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new file mode 100644
index 00000000000..e64025c801f
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/head_f.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/head_f.png
new file mode 100644
index 00000000000..4831bcad5a3
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/head_m.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/head_m.png
new file mode 100644
index 00000000000..d69a17e27e6
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/head_t.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/head_t.png
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index 00000000000..4831bcad5a3
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/l_arm.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/l_arm.png
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index 00000000000..a7a78a839d9
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/l_foot.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/l_foot.png
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index 00000000000..d2e0b5a5fa7
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/l_hand.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/l_hand.png
new file mode 100644
index 00000000000..575217754bf
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/l_leg.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/l_leg.png
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index 00000000000..01bd1ff7127
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/meta.json b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/meta.json
new file mode 100644
index 00000000000..d2a3bf8939b
--- /dev/null
+++ b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/meta.json
@@ -0,0 +1,76 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Created by discord:lunalita, Recoloring by melissandravov",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+        {
+            "name": "full_f"
+        },
+        {
+            "name": "full_m"
+        },
+        {
+            "name": "full_t"
+        },
+        {
+            "name": "head_f",
+            "directions": 4
+        },
+        {
+            "name": "head_m",
+            "directions": 4
+        },
+        {
+            "name": "head_t",
+            "directions": 4
+        },
+        {
+            "name": "l_arm",
+            "directions": 4
+        },
+        {
+            "name": "l_foot",
+            "directions": 4
+        },
+        {
+            "name": "l_hand",
+            "directions": 4
+        },
+        {
+            "name": "l_leg",
+            "directions": 4
+        },
+        {
+            "name": "r_arm",
+            "directions": 4
+        },
+        {
+            "name": "r_foot",
+            "directions": 4
+        },
+        {
+            "name": "r_hand",
+            "directions": 4
+        },
+        {
+            "name": "r_leg",
+            "directions": 4
+        },
+        {
+            "name": "torso_f",
+            "directions": 4
+        },
+        {
+            "name": "torso_m",
+            "directions": 4
+        },
+        {
+            "name": "torso_t",
+            "directions": 4
+        }
+    ]
+}
diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/r_arm.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/r_arm.png
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index 00000000000..dd9af5dfbf0
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index 00000000000..8e1c0770c5f
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/r_leg.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/r_leg.png
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index 00000000000..215d7ad8124
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/torso_f.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/torso_f.png
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index 00000000000..fa23b474b6d
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/torso_m.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/torso_m.png
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index 00000000000..e85a9636fc5
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diff --git a/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/torso_t.png b/Resources/Textures/_Wega/Demon/Mobs/Species/Demon/parts.rsi/torso_t.png
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index 00000000000..6edba183399
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