diff --git a/PkmnLib.Dynamic/Models/Pokemon.cs b/PkmnLib.Dynamic/Models/Pokemon.cs
index eac1629..217cb4b 100644
--- a/PkmnLib.Dynamic/Models/Pokemon.cs
+++ b/PkmnLib.Dynamic/Models/Pokemon.cs
@@ -263,6 +263,11 @@ public interface IPokemon : IScriptSource, IDeepCloneable
     /// </summary>
     bool ConsumeHeldItem();
 
+    /// <summary>
+    /// Uses an item on the Pokemon.
+    /// </summary>
+    void UseItem(IItem item);
+
     /// <summary>
     /// Change a boosted stat by a certain amount.
     /// </summary>
@@ -805,8 +810,15 @@ public class PokemonImpl : ScriptSource, IPokemon
             BattleData.MarkItemAsConsumed(HeldItem);
         }
 
+        UseItem(SetHeldItem(null)!);
+        return true;
+    }
+
+    public void UseItem(IItem item)
+    {
         // TODO: actually consume the item
-        throw new NotImplementedException();
+
+        this.RunScriptHook(x => x.OnAfterItemConsume(this, item));
     }
 
     /// <inheritdoc />
diff --git a/PkmnLib.Dynamic/ScriptHandling/Script.cs b/PkmnLib.Dynamic/ScriptHandling/Script.cs
index c1e0928..e6ec591 100644
--- a/PkmnLib.Dynamic/ScriptHandling/Script.cs
+++ b/PkmnLib.Dynamic/ScriptHandling/Script.cs
@@ -557,7 +557,7 @@ public abstract class Script : IDeepCloneable
     /// This function is triggered on a Pokemon and its parents when the given Pokemon consumes the
     /// held item it had.
     /// </summary>
-    public virtual void OnAfterHeldItemConsume(IPokemon pokemon, IItem item)
+    public virtual void OnAfterItemConsume(IPokemon pokemon, IItem item)
     {
     }
 
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.json b/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
similarity index 95%
rename from Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.json
rename to Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
index f4fb4f9..74b9deb 100755
--- a/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.json
+++ b/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
@@ -72,22 +72,24 @@
     "effect": "bulletproof"
   },
   "cheek_pouch": {
-    "effect": "CheekPouch"
+    "effect": "cheek_pouch"
   },
   "chlorophyll": {
-    "effect": "DoubleSpeedInWeather",
+    "effect": "speed_modifier_in_weather",
     "parameters": {
-      "weather": "HarshSunlight"
+      "weather": "sunny",
+      "modifier": 2.0
     }
   },
   "clear_body": {
-    "effect": "PreventStatLowering"
+    "effect": "prevent_stat_lowering"
+    // By not specifying a stat, it applies to all stats
   },
   "cloud_nine": {
-    "effect": "SuppressWeather"
+    "effect": "suppress_weather"
   },
   "color_change": {
-    "effect": "ColorChange"
+    "effect": "color_change"
   },
   "comatose": {
     "canBeChanged": false
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Gen7Plugin.cs b/Plugins/PkmnLib.Plugin.Gen7/Gen7Plugin.cs
index 44ebec7..a7c2442 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Gen7Plugin.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Gen7Plugin.cs
@@ -69,7 +69,7 @@ public class Gen7Plugin : Plugin<Gen7PluginConfiguration>, IResourceProvider
                 typeof(Gen7Plugin).Assembly),
             ResourceFileType.Items => new AssemblyResourceResult("PkmnLib.Plugin.Gen7.Data.Items.json",
                 typeof(Gen7Plugin).Assembly),
-            ResourceFileType.Abilities => new AssemblyResourceResult("PkmnLib.Plugin.Gen7.Data.Abilities.json",
+            ResourceFileType.Abilities => new AssemblyResourceResult("PkmnLib.Plugin.Gen7.Data.Abilities.jsonc",
                 typeof(Gen7Plugin).Assembly),
             ResourceFileType.GrowthRates => new AssemblyResourceResult("PkmnLib.Plugin.Gen7.Data.GrowthRates.json",
                 typeof(Gen7Plugin).Assembly),
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CheekPouch.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CheekPouch.cs
new file mode 100644
index 0000000..a845a78
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/CheekPouch.cs
@@ -0,0 +1,15 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+[Script(ScriptCategory.Ability, "cheek_pouch")]
+public class CheekPouch : Script
+{
+    /// <inheritdoc />
+    public override void OnAfterItemConsume(IPokemon pokemon, IItem item)
+    {
+        if (item.Category == ItemCategory.Berry)
+        {
+            pokemon.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(pokemon));
+            pokemon.Heal(pokemon.MaxHealth / 3);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ColorChange.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ColorChange.cs
new file mode 100644
index 0000000..f589c90
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ColorChange.cs
@@ -0,0 +1,16 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+[Script(ScriptCategory.Ability, "color_change")]
+public class ColorChange : Script
+{
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        var hitData = move.GetHitData(target, hit);
+        if (hitData.Type != null && (hitData.Type != target.Types.FirstOrDefault() || target.Types.Count > 1))
+        {
+            target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+            target.SetTypes([hitData.Type.Value]);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PreventStatLowering.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PreventStatLowering.cs
index e501b83..719f6fb 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PreventStatLowering.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PreventStatLowering.cs
@@ -5,26 +5,37 @@ namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 [Script(ScriptCategory.Ability, "prevent_stat_lowering")]
 public class PreventStatLowering : Script
 {
-    private Statistic _statistic;
+    /// <summary>
+    /// The statistic that this ability prevents from being lowered.
+    /// Null means it prevents all stat lowering.
+    /// </summary>
+    private Statistic? _statistic;
 
     /// <inheritdoc />
     public override void OnInitialize(IReadOnlyDictionary<StringKey, object?>? parameters)
     {
         if (parameters is null)
             throw new ArgumentNullException(nameof(parameters), "Parameters cannot be null.");
-        if (!parameters.TryGetValue("stat", out var statObj) || statObj is not string statStr)
-            throw new ArgumentException("Parameter 'stat' is required and must be a string.", nameof(parameters));
-        if (!Enum.TryParse(statStr, true, out Statistic stat))
-            throw new ArgumentException($"Invalid statistic '{statStr}' provided.", nameof(statStr));
-
-        _statistic = stat;
+        if (parameters.TryGetValue("stat", out var statObj) && statObj is string statStr)
+        {
+            if (!Enum.TryParse(statStr, true, out Statistic stat))
+                throw new ArgumentException($"Invalid statistic '{statStr}' provided.", nameof(statStr));
+            _statistic = stat;
+        }
     }
 
     /// <inheritdoc />
     public override void PreventStatBoostChange(IPokemon target, Statistic stat, sbyte amount, bool selfInflicted,
         ref bool prevent)
     {
+        if (_statistic is not null && _statistic != stat)
+            return;
+        if (amount >= 0)
+            return;
         if (!selfInflicted)
-            prevent = false;
+        {
+            target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+            prevent = true;
+        }
     }
 }
\ 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
new file mode 100644
index 0000000..52ee809
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/SpeedModifierInWeather.cs
@@ -0,0 +1,41 @@
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+[Script(ScriptCategory.Ability, "speed_modifier_in_weather")]
+public class SpeedModifierInWeather : Script
+{
+    private StringKey _weather;
+    private float _modifier;
+
+    /// <inheritdoc />
+    public override void OnInitialize(IReadOnlyDictionary<StringKey, object?>? parameters)
+    {
+        if (parameters is null)
+            throw new ArgumentNullException(nameof(parameters));
+
+        if (!parameters.TryGetValue("weather", out var weatherObj) || weatherObj is not string weatherStr)
+            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)
+            throw new ArgumentException("Parameter 'modifier' must be a float or int.", nameof(parameters));
+        var weatherModifier = modifierObj is float modFloat ? modFloat : (int)modifierObj;
+
+        _weather = weatherStr;
+        _modifier = weatherModifier;
+    }
+
+    /// <inheritdoc />
+    public override void ChangeSpeed(ITurnChoice choice, ref uint speed)
+    {
+        var battle = choice.User.BattleData?.Battle;
+        if (battle is null)
+            return;
+        var weather = battle.WeatherName;
+        if (weather == _weather)
+        {
+            speed = speed.MultiplyOrMax(_modifier);
+        }
+    }
+}
\ No newline at end of file