diff --git a/PkmnLib.Dynamic/Events/AbilityTriggerEvent.cs b/PkmnLib.Dynamic/Events/AbilityTriggerEvent.cs
index 1d140d2..ddfee0a 100644
--- a/PkmnLib.Dynamic/Events/AbilityTriggerEvent.cs
+++ b/PkmnLib.Dynamic/Events/AbilityTriggerEvent.cs
@@ -1,14 +1,24 @@
 using PkmnLib.Dynamic.Models;
 using PkmnLib.Static.Species;
-using PkmnLib.Static.Utils;
 
 namespace PkmnLib.Dynamic.Events;
 
+/// <summary>
+/// AbilityTriggerEvent is triggered when a Pokémon's ability is activated.
+/// </summary>
 public record AbilityTriggerEvent : IEventData
 {
+    /// <summary>
+    /// The Pokémon whose ability is being triggered.
+    /// </summary>
     public IPokemon Pokemon { get; }
+
+    /// <summary>
+    /// The ability that is being triggered for the Pokémon.
+    /// </summary>
     public IAbility? Ability { get; }
 
+    /// <inheritdoc cref="AbilityTriggerEvent"/>
     public AbilityTriggerEvent(IPokemon pokemon)
     {
         Pokemon = pokemon;
diff --git a/PkmnLib.Dynamic/Libraries/DataLoaders/Models/SerializedAbility.cs b/PkmnLib.Dynamic/Libraries/DataLoaders/Models/SerializedAbility.cs
index c2fb6ad..cf9afdd 100644
--- a/PkmnLib.Dynamic/Libraries/DataLoaders/Models/SerializedAbility.cs
+++ b/PkmnLib.Dynamic/Libraries/DataLoaders/Models/SerializedAbility.cs
@@ -20,5 +20,8 @@ public class SerializedAbility
     /// </summary>
     public string[] Flags { get; set; } = [];
 
+    /// <summary>
+    /// Indicates whether the ability can be changed by effects such as Skill Swap or Role Play.
+    /// </summary>
     public bool? CanBeChanged { get; set; }
 }
\ No newline at end of file
diff --git a/PkmnLib.Dynamic/Models/Pokemon.cs b/PkmnLib.Dynamic/Models/Pokemon.cs
index 217cb4b..b7761a2 100644
--- a/PkmnLib.Dynamic/Models/Pokemon.cs
+++ b/PkmnLib.Dynamic/Models/Pokemon.cs
@@ -814,6 +814,10 @@ public class PokemonImpl : ScriptSource, IPokemon
         return true;
     }
 
+    /// <summary>
+    /// Uses an item on this Pokémon.
+    /// </summary>
+    /// <param name="item"></param>
     public void UseItem(IItem item)
     {
         // TODO: actually consume the item
@@ -851,6 +855,7 @@ public class PokemonImpl : ScriptSource, IPokemon
         }
 
         RecalculateBoostedStats();
+        this.RunScriptHook(script => script.OnAfterStatBoostChange(this, stat, selfInflicted, change));
         return true;
     }
 
diff --git a/PkmnLib.Dynamic/ScriptHandling/Script.cs b/PkmnLib.Dynamic/ScriptHandling/Script.cs
index e6ec591..511aaa4 100644
--- a/PkmnLib.Dynamic/ScriptHandling/Script.cs
+++ b/PkmnLib.Dynamic/ScriptHandling/Script.cs
@@ -418,6 +418,13 @@ public abstract class Script : IDeepCloneable
     {
     }
 
+    /// <summary>
+    /// This function allows a script to run after a stat boost change has been applied.
+    /// </summary>
+    public virtual void OnAfterStatBoostChange(IPokemon pokemon, Statistic stat, bool selfInflicted, sbyte change)
+    {
+    }
+
     /// <summary>
     /// This function allows a script attached to a Pokemon or its parents to prevent an incoming
     /// secondary effect. This means the move will still hit and do damage, but not trigger its
diff --git a/PkmnLib.Dynamic/ScriptHandling/ScriptExecution.cs b/PkmnLib.Dynamic/ScriptHandling/ScriptExecution.cs
index 06154d8..f1e6430 100644
--- a/PkmnLib.Dynamic/ScriptHandling/ScriptExecution.cs
+++ b/PkmnLib.Dynamic/ScriptHandling/ScriptExecution.cs
@@ -37,6 +37,34 @@ public static class ScriptExecution
         }
     }
 
+    /// <summary>
+    /// Executes a hook on all scripts in a source.
+    /// </summary>
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static void RunScriptHook(this IEnumerable<IScriptSource> sources, Action<Script> hook)
+    {
+        var iterator = sources.Distinct().SelectMany(x => x.GetScripts()).ToArray();
+        List<ScriptCategory>? suppressedCategories = null;
+        foreach (var container in iterator)
+        {
+            if (container.IsEmpty)
+                continue;
+            var script = container.Script;
+            script.OnBeforeAnyHookInvoked(ref suppressedCategories);
+        }
+        foreach (var container in iterator)
+        {
+            if (container.IsEmpty)
+                continue;
+            var script = container.Script;
+            if (script.IsSuppressed)
+                continue;
+            if (suppressedCategories != null && suppressedCategories.Contains(script.Category))
+                continue;
+            hook(script);
+        }
+    }
+
     /// <summary>
     /// Executes a hook on all scripts in a list of sources. Note that this does not walk through the parents of the
     /// sources, but only the sources themselves.
diff --git a/PkmnLib.NET.sln.DotSettings b/PkmnLib.NET.sln.DotSettings
index 7ef8455..3093c4a 100644
--- a/PkmnLib.NET.sln.DotSettings
+++ b/PkmnLib.NET.sln.DotSettings
@@ -1,4 +1,5 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=EV/@EntryIndexedValue">EV</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=PP/@EntryIndexedValue">PP</s:String>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=bulbapedia/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=pkmn/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/PkmnLib.Static/Species/Ability.cs b/PkmnLib.Static/Species/Ability.cs
index ef87902..7c8ee85 100644
--- a/PkmnLib.Static/Species/Ability.cs
+++ b/PkmnLib.Static/Species/Ability.cs
@@ -24,6 +24,9 @@ public interface IAbility : INamedValue
     /// </summary>
     bool HasFlag(StringKey key);
 
+    /// <summary>
+    /// Indicates whether the ability can be changed by effects such as Skill Swap or Role Play.
+    /// </summary>
     bool CanBeChanged { get; }
 }
 
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc b/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
index 74b9deb..8c367ba 100755
--- a/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
+++ b/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
@@ -92,20 +92,45 @@
     "effect": "color_change"
   },
   "comatose": {
+    "effect": "comatose",
     "canBeChanged": false
   },
-  "competitive": {},
-  "compound_eyes": {},
-  "contrary": {},
-  "corrosion": {},
-  "cursed_body": {},
-  "cute_charm": {},
-  "damp": {},
-  "dancer": {},
-  "dark_aura": {},
-  "dazzling": {},
-  "defeatist": {},
-  "defiant": {},
+  "competitive": {
+    "effect": "competitive"
+  },
+  "compound_eyes": {
+    "effect": "compound_eyes"
+  },
+  "contrary": {
+    "effect": "contrary"
+  },
+  "corrosion": {
+    "effect": "corrosion"
+  },
+  "cursed_body": {
+    "effect": "cursed_body"
+  },
+  "cute_charm": {
+    "effect": "cute_charm"
+  },
+  "damp": {
+    "effect": "damp"
+  },
+  "dancer": {
+    "effect": "dancer"
+  },
+  "dark_aura": {
+    "effect": "dark_aura"
+  },
+  "dazzling": {
+    "effect": "dazzling"
+  },
+  "defeatist": {
+    "effect": "defeatist"
+  },
+  "defiant": {
+    "effect": "defiant"
+  },
   "delta_stream": {},
   "desolate_land": {},
   "disguise": {
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/AuraBreak.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/AuraBreak.cs
index f7d20e0..a26c4bb 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/AuraBreak.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/AuraBreak.cs
@@ -1,7 +1,32 @@
+using PkmnLib.Static.Utils;
+
 namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 
+/// <summary>
+/// Aura Break is an ability that reverses the effects of Dark Aura and Fairy Aura.
+/// When this ability is present, Dark-type and Fairy-type moves are reduced in power by 25% instead of being boosted.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Aura_Break_(Ability)">Bulbapedia - Aura Break</see>
+/// </summary>
 [Script(ScriptCategory.Ability, "aura_break")]
 public class AuraBreak : Script
 {
-    // FIXME: Implement together with Dark Aura and Fairy Aura.
+    /// <inheritdoc />
+    public override void CustomTrigger(StringKey eventName, IDictionary<StringKey, object?>? parameters)
+    {
+        if (eventName != CustomTriggers.ModifyAuraEffect || parameters == null)
+            return;
+
+        if (!parameters.TryGetValue("aura_type", out var auraTypeObj) || auraTypeObj is not string auraType)
+            return;
+
+        if (auraType is "dark" or "fairy")
+        {
+            if (parameters.TryGetValue("modifier", out var modifierObj) && modifierObj is float)
+            {
+                // Reverse the aura effect by reducing power by 25%
+                parameters["modifier"] = 0.75f;
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Comatose.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Comatose.cs
new file mode 100644
index 0000000..6ee500f
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Comatose.cs
@@ -0,0 +1,32 @@
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Comatose is an ability that makes the Pokémon always be in a sleep state, but still able to attack.
+/// The Pokémon cannot be affected by other status conditions, and moves that would normally fail on sleeping Pokémon
+/// will work normally. The Pokémon will still be affected by sleep-related moves and abilities.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Comatose_(Ability)">Bulbapedia - Comatose</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "comatose")]
+public class Comatose : Script
+{
+    /// <inheritdoc />
+    public override void PreventStatusChange(IPokemon pokemonImpl, StringKey status, ref bool preventStatus)
+    {
+        if (status == ScriptUtils.ResolveName<Status.Sleep>())
+        {
+            preventStatus = true;
+        }
+    }
+
+    /// <inheritdoc />
+    public override void CustomTrigger(StringKey eventName, IDictionary<StringKey, object?>? parameters)
+    {
+        if (eventName == CustomTriggers.BypassSleep && parameters != null)
+        {
+            parameters["bypass_sleep"] = true;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Competitive.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Competitive.cs
new file mode 100644
index 0000000..fa9e8ca
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Competitive.cs
@@ -0,0 +1,27 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Competitive is an ability that raises the Pokémon's Special Attack by two stages whenever any of its stats are lowered.
+/// This includes stat drops from moves, abilities, or items. The ability will not activate if the stat drop is self-inflicted.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Competitive_(Ability)">Bulbapedia - Competitive</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "competitive")]
+public class Competitive : Script
+{
+    /// <inheritdoc />
+    /// <inheritdoc />
+    public override void OnAfterStatBoostChange(IPokemon pokemon, Statistic stat, bool selfInflicted, sbyte change)
+    {
+        if (change >= 0)
+            return;
+        if (selfInflicted)
+            return;
+        EventBatchId batchId = new();
+        pokemon.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(pokemon)
+        {
+            BatchId = batchId,
+        });
+        pokemon.ChangeStatBoost(Statistic.SpecialAttack, 2, true, batchId);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CompoundEyes.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CompoundEyes.cs
new file mode 100644
index 0000000..96b86d8
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CompoundEyes.cs
@@ -0,0 +1,18 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Compound Eyes is an ability that increases the accuracy of the Pokémon's moves by 30%.
+/// This applies to all moves used by the Pokémon, making it particularly effective with low-accuracy moves.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Compound_Eyes_(Ability)">Bulbapedia - Compound Eyes</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "compound_eyes")]
+public class CompoundEyes : Script
+{
+    /// <inheritdoc />
+    public override void ChangeAccuracy(IExecutingMove move, IPokemon target, byte hit, ref int modifiedAccuracy)
+    {
+        move.Battle.EventHook.Invoke(new AbilityTriggerEvent(move.User));
+        modifiedAccuracy = (int)(modifiedAccuracy * 1.3f);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Contrary.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Contrary.cs
new file mode 100644
index 0000000..dbdb153
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Contrary.cs
@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Contrary is an ability that inverts all stat changes for the Pokémon.
+/// When a stat would normally be raised, it is lowered instead, and vice versa.
+/// This applies to both self-inflicted stat changes and those caused by other Pokémon.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Contrary_(Ability)">Bulbapedia - Contrary</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "contrary")]
+public class Contrary : Script
+{
+    /// <inheritdoc />
+    public override void ChangeStatBoostChange(IPokemon target, Statistic stat, bool selfInflicted, ref sbyte amount)
+    {
+        // Invert the stat change
+        amount = (sbyte)-amount;
+        target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Corrosion.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Corrosion.cs
new file mode 100644
index 0000000..ab37e23
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Corrosion.cs
@@ -0,0 +1,13 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Corrosion is an ability that allows the Pokémon to poison Steel-type and Poison-type Pokémon.
+/// This ability bypasses the natural immunity these types have to poison status.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Corrosion_(Ability)">Bulbapedia - Corrosion</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "corrosion")]
+public class Corrosion : Script
+{
+    // TODO: Implement Corrosion ability logic
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CursedBody.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CursedBody.cs
new file mode 100644
index 0000000..fd564a2
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CursedBody.cs
@@ -0,0 +1,25 @@
+using PkmnLib.Plugin.Gen7.Scripts.Pokemon;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Cursed Body is an ability that has a 30% chance to disable the last move used against the Pokémon.
+/// When triggered, the opponent's move becomes disabled for 4 turns, preventing its use.
+/// This ability can be triggered by any damaging move that hits the Pokémon.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Cursed_Body_(Ability)">Bulbapedia - Cursed Body</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "cursed_body")]
+public class CursedBody : Script
+{
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        // 30% chance to disable the move
+        if (move.Battle.Random.GetFloat() > 0.3f)
+            return;
+
+        target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+        target.Volatile.Add(new DisableEffect(move.ChosenMove.MoveData.Name));
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CuteCharm.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CuteCharm.cs
new file mode 100644
index 0000000..2cf200b
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CuteCharm.cs
@@ -0,0 +1,34 @@
+using PkmnLib.Plugin.Gen7.Scripts.Pokemon;
+using PkmnLib.Static.Species;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Cute Charm is an ability that has a 30% chance to infatuate the opponent when hit by a contact move.
+/// Infatuation prevents the affected Pokémon from attacking 50% of the time.
+/// This ability only works on Pokémon of the opposite gender.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Cute_Charm_(Ability)">Bulbapedia - Cute Charm</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "cute_charm")]
+public class CuteCharm : Script
+{
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        // Only trigger on contact moves
+        if (!move.UseMove.HasFlag("contact"))
+            return;
+
+        // 30% chance to infatuate
+        if (move.Battle.Random.GetFloat() > 0.3f)
+            return;
+
+        if (target.Gender == move.User.Gender || target.Gender == Gender.Genderless ||
+            move.User.Gender == Gender.Genderless)
+            return;
+
+        target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+        move.User.Volatile.Add(new Infatuated());
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Damp.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Damp.cs
new file mode 100644
index 0000000..876a12b
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Damp.cs
@@ -0,0 +1,21 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Damp is an ability that prevents the use of Self-Destruct and Explosion moves.
+/// When a Pokémon with this ability is on the field, any attempt to use these moves will fail.
+/// This ability affects both allies and opponents.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Damp_(Ability)">Bulbapedia - Damp</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "damp")]
+public class Damp : Script
+{
+    /// <inheritdoc />
+    public override void FailIncomingMove(IExecutingMove move, IPokemon target, ref bool fail)
+    {
+        if (move.UseMove.Name == "self_destruct" || move.UseMove.Name == "explosion")
+        {
+            fail = true;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Dancer.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Dancer.cs
new file mode 100644
index 0000000..b5037c1
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Dancer.cs
@@ -0,0 +1,13 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Dancer is an ability that allows the Pokémon to copy any dance move used by any Pokémon on the field.
+/// When a dance move is used, the Pokémon with Dancer will immediately use the same move after the original user.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Dancer_(Ability)">Bulbapedia - Dancer</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "dancer")]
+public class Dancer : Script
+{
+    // TODO: Implement Dancer ability logic
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/DarkAura.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/DarkAura.cs
new file mode 100644
index 0000000..cba063c
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/DarkAura.cs
@@ -0,0 +1,35 @@
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Dark Aura is an ability that increases the power of Dark-type moves by 33% for all Pokémon on the field.
+/// The effect can be modified by other abilities (such as Aura Break) via a custom script hook.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Dark_Aura_(Ability)">Bulbapedia - Dark Aura</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "dark_aura")]
+public class DarkAura : Script
+{
+    /// <inheritdoc />
+    public override void ChangeDamageModifier(IExecutingMove move, IPokemon target, byte hit, ref float modifier)
+    {
+        if (move.GetHitData(target, hit).Type?.Name == "dark")
+        {
+            var auraModifier = 5448f / 4096f;
+            var parameters = new Dictionary<StringKey, object?>
+            {
+                ["aura_type"] = "dark",
+                ["modifier"] = auraModifier,
+            };
+            move.Battle.Sides.SelectMany(side => side.Pokemon).WhereNotNull()
+                .RunScriptHook(x => x.CustomTrigger(CustomTriggers.ModifyAuraEffect, parameters));
+            if (parameters.TryGetValue("modifier", out var modObj) && modObj is float modValue)
+            {
+                auraModifier = modValue;
+            }
+            modifier *= auraModifier;
+            move.Battle.EventHook.Invoke(new AbilityTriggerEvent(move.User));
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Dazzling.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Dazzling.cs
new file mode 100644
index 0000000..05f569e
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Dazzling.cs
@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Dazzling is an ability that prevents opposing Pokémon from using moves with increased priority.
+/// This includes moves like Quick Attack, Aqua Jet, and Extreme Speed.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Dazzling_(Ability)">Bulbapedia - Dazzling</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "dazzling")]
+public class Dazzling : Script
+{
+    /// <inheritdoc />
+    public override void FailIncomingMove(IExecutingMove move, IPokemon target, ref bool fail)
+    {
+        if (move.UseMove.Priority > 0)
+        {
+            fail = true;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Defeatist.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Defeatist.cs
new file mode 100644
index 0000000..82750ae
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Defeatist.cs
@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Defeatist is an ability that halves the Pokémon's Attack and Special Attack when its HP drops below 50%.
+/// This reduction applies to all moves used by the Pokémon, making it significantly weaker when damaged.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Defeatist_(Ability)">Bulbapedia - Defeatist</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "defeatist")]
+public class Defeatist : Script
+{
+    /// <inheritdoc />
+    public override void ChangeDamageModifier(IExecutingMove move, IPokemon target, byte hit, ref float modifier)
+    {
+        if (move.User.CurrentHealth < move.User.MaxHealth / 2)
+        {
+            modifier *= 0.5f;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Defiant.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Defiant.cs
new file mode 100644
index 0000000..f63212d
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Defiant.cs
@@ -0,0 +1,27 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Defiant is an ability that raises the Pokémon's Attack by two stages whenever any of its stats are lowered.
+/// This includes stat drops from moves, abilities, or items. The ability will not activate if the stat drop is self-inflicted.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Defiant_(Ability)">Bulbapedia - Defiant</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "defiant")]
+public class Defiant : Script
+{
+    /// <inheritdoc />
+    /// <inheritdoc />
+    public override void OnAfterStatBoostChange(IPokemon pokemon, Statistic stat, bool selfInflicted, sbyte change)
+    {
+        if (change >= 0)
+            return;
+        if (selfInflicted)
+            return;
+        EventBatchId batchId = new();
+        pokemon.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(pokemon)
+        {
+            BatchId = batchId,
+        });
+        pokemon.ChangeStatBoost(Statistic.Attack, 2, true, batchId);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/SpeedModifierInWeather.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/SpeedModifierInWeather.cs
index 52ee809..b14990a 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/SpeedModifierInWeather.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/SpeedModifierInWeather.cs
@@ -18,7 +18,7 @@ public class SpeedModifierInWeather : Script
             throw new ArgumentException("Parameter 'weather' is required and must be a string.", nameof(parameters));
         if (!parameters.TryGetValue("modifier", out var modifierObj))
             throw new ArgumentException("Parameter 'modifier' is required", nameof(parameters));
-        if (modifierObj is not float modifier && modifierObj is not int)
+        if (modifierObj is not float && modifierObj is not int)
             throw new ArgumentException("Parameter 'modifier' must be a float or int.", nameof(parameters));
         var weatherModifier = modifierObj is float modFloat ? modFloat : (int)modifierObj;
 
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs
index 94db133..39f0a12 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs
@@ -19,4 +19,6 @@ public static class CustomTriggers
     public static readonly StringKey BypassSleep = "bypass_sleep";
 
     public static readonly StringKey Whirlpool = "whirlpool";
+
+    public static readonly StringKey ModifyAuraEffect = "modify_aura_effect";
 }
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Burned.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Burned.cs
index d149c20..aeb6917 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Burned.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Burned.cs
@@ -1,5 +1,4 @@
 using PkmnLib.Static.Moves;
-using PkmnLib.Static.Utils;
 
 namespace PkmnLib.Plugin.Gen7.Scripts.Status;