diff --git a/PkmnLib.Dynamic/BattleFlow/MoveTurnExecutor.cs b/PkmnLib.Dynamic/BattleFlow/MoveTurnExecutor.cs
index f95f92a..cd73eee 100644
--- a/PkmnLib.Dynamic/BattleFlow/MoveTurnExecutor.cs
+++ b/PkmnLib.Dynamic/BattleFlow/MoveTurnExecutor.cs
@@ -76,7 +76,8 @@ public static class MoveTurnExecutor
             return;
 
         byte ppUsed = 1;
-        // TODO: Modify the PP used by the move.
+        executingMove.RunScriptHook(x => x.ModifyPPUsed(executingMove, ref ppUsed));
+        targets.WhereNotNull().RunScriptHook(x => x.ModifyPPUsedForIncomingMove(executingMove, ref ppUsed));
         if (!executingMove.ChosenMove.TryUse(ppUsed))
             return;
 
diff --git a/PkmnLib.Dynamic/Models/Battle.cs b/PkmnLib.Dynamic/Models/Battle.cs
index b4bdf8d..311d48a 100644
--- a/PkmnLib.Dynamic/Models/Battle.cs
+++ b/PkmnLib.Dynamic/Models/Battle.cs
@@ -311,7 +311,6 @@ public class BattleImpl : ScriptSource, IBattle
 
         if (choice is IMoveChoice moveChoice)
         {
-            // TODO: Hook to change number of PP needed.
             if (moveChoice.ChosenMove.CurrentPp < 1)
                 return false;
             if (!TargetResolver.IsValidTarget(moveChoice.TargetSide, moveChoice.TargetPosition,
diff --git a/PkmnLib.Dynamic/Models/Pokemon.cs b/PkmnLib.Dynamic/Models/Pokemon.cs
index 37b3a9d..60d9186 100644
--- a/PkmnLib.Dynamic/Models/Pokemon.cs
+++ b/PkmnLib.Dynamic/Models/Pokemon.cs
@@ -1072,6 +1072,11 @@ public class PokemonImpl : ScriptSource, IPokemon
 
         // Allow scripts to trigger based on the faint.
         this.RunScriptHook(script => script.OnFaint(this, source));
+        foreach (var ally in BattleData.BattleSide.Pokemon.WhereNotNull().Where(x => x != this))
+        {
+            ally.RunScriptHook(script => script.OnAllyFaint(ally, this));
+        }
+
         // Make sure the OnRemove script is run.
         this.RunScriptHook(script => script.OnRemove());
 
diff --git a/PkmnLib.Dynamic/ScriptHandling/Script.cs b/PkmnLib.Dynamic/ScriptHandling/Script.cs
index ef403c3..14dcdab 100644
--- a/PkmnLib.Dynamic/ScriptHandling/Script.cs
+++ b/PkmnLib.Dynamic/ScriptHandling/Script.cs
@@ -562,6 +562,13 @@ public abstract class Script : IDeepCloneable
     {
     }
 
+    /// <summary>
+    /// This function is triggered on a Pokemon when an ally Pokemon faints.
+    /// </summary>
+    public virtual void OnAllyFaint(IPokemon ally, IPokemon faintedPokemon)
+    {
+    }
+
     /// <summary>
     /// This function is triggered on a Pokemon and its parents when the given Pokemon switches out
     /// of the battlefield.
@@ -801,4 +808,18 @@ public abstract class Script : IDeepCloneable
     public virtual void OnAfterHeldItemChange(IPokemon pokemon, IItem? previous, IItem? item)
     {
     }
+
+    /// <summary>
+    /// This function allows a script to modify the PP used by a move.
+    /// </summary>
+    public virtual void ModifyPPUsed(IExecutingMove executingMove, ref byte ppUsed)
+    {
+    }
+
+    /// <summary>
+    /// This function allows a script to modify the PP used by an incoming move. This is used for abilities such as Pressure.
+    /// </summary>
+    public virtual void ModifyPPUsedForIncomingMove(IExecutingMove executingMove, ref byte ppUsed)
+    {
+    }
 }
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc b/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
index 227de6a..c229176 100755
--- a/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
+++ b/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
@@ -424,23 +424,30 @@
   "pixilate": {
     "effect": "pixilate"
   },
-  "plus": {},
-  "poison_heal": {},
-  "poison_point": {},
-  "poison_touch": {},
+  "plus": {
+    "effect": "plus"
+  },
+  "poison_heal": {
+    "effect": "poison_heal"
+  },
+  "poison_point": {
+    "effect": "poison_point"
+  },
+  "poison_touch": {
+    "effect": "poison_touch"
+  },
   "power_construct": {
-    "canBeChanged": false,
-    "flags": [
-      "cant_be_copied"
-    ]
+    "effect": "power_construct"
   },
   "power_of_alchemy": {
-    "flags": [
-      "cant_be_copied"
-    ]
+    "effect": "power_of_alchemy"
+  },
+  "prankster": {
+    "effect": "prankster"
+  },
+  "pressure": {
+    "effect": "pressure"
   },
-  "prankster": {},
-  "pressure": {},
   "primordial_sea": {},
   "prism_armor": {},
   "protean": {},
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Data/Pokemon.json b/Plugins/PkmnLib.Plugin.Gen7/Data/Pokemon.json
index 0f89d5c..12e7e4f 100755
--- a/Plugins/PkmnLib.Plugin.Gen7/Data/Pokemon.json
+++ b/Plugins/PkmnLib.Plugin.Gen7/Data/Pokemon.json
@@ -145666,6 +145666,7 @@
         }
       },
       "complete": {
+        "isBattleOnly": true,
         "abilities": [
           "power_construct"
         ],
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Plus.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Plus.cs
new file mode 100644
index 0000000..35af293
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Plus.cs
@@ -0,0 +1,23 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Plus is an ability that boosts Special Attack if another ally has Plus or Minus.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Plus_(Ability)">Bulbapedia - Plus</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "plus")]
+public class Plus : Script
+{
+    /// <inheritdoc />
+    public override void ChangeOffensiveStatValue(IExecutingMove move, IPokemon target, byte hit, uint defensiveStat,
+        ImmutableStatisticSet<uint> targetStats, Statistic stat, ref uint value)
+    {
+        var battleData = move.User.BattleData;
+        if (battleData is null)
+            return;
+        if (battleData.BattleSide.Pokemon.WhereNotNull().Any(x => x.IsUsable && x.ActiveAbility?.Name == "minus"))
+        {
+            value = value.MultiplyOrMax(1.5f);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonHeal.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonHeal.cs
new file mode 100644
index 0000000..17ff511
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonHeal.cs
@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Poison Heal is an ability that heals the Pokémon when it is poisoned instead of damaging it.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Poison_Heal_(Ability)">Bulbapedia - Poison Heal</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "poison_heal")]
+public class PoisonHeal : Script
+{
+    /// <inheritdoc />
+    public override void CustomTrigger(StringKey eventName, ICustomTriggerArgs args)
+    {
+        if (eventName != CustomTriggers.PoisonedDamage)
+            return;
+        if (args is not CustomTriggers.PoisonedDamageArgs poisonArgs)
+            return;
+        poisonArgs.Invert = true;
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonPoint.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonPoint.cs
new file mode 100644
index 0000000..0a16af0
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonPoint.cs
@@ -0,0 +1,17 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Poison Point is an ability that may poison attackers making contact with the Pokémon.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Poison_Point_(Ability)">Bulbapedia - Poison Point</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "poison_point")]
+public class PoisonPoint : Script
+{
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        if (move.GetHitData(target, hit).IsContact)
+            move.User.SetStatus(ScriptUtils.ResolveName<Status.Poisoned>(), false);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonTouch.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonTouch.cs
new file mode 100644
index 0000000..f9b27f7
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PoisonTouch.cs
@@ -0,0 +1,19 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Poison Touch is an ability that may poison targets when the Pokémon uses a contact move.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Poison_Touch_(Ability)">Bulbapedia - Poison Touch</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "poison_touch")]
+public class PoisonTouch : Script
+{
+    private const int PoisonChance = 30;
+
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        if (move.GetHitData(target, hit).IsContact && move.Battle.Random.GetInt(0, 100) < PoisonChance)
+            move.User.SetStatus(ScriptUtils.ResolveName<Status.Poisoned>(), false);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PowerConstruct.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PowerConstruct.cs
new file mode 100644
index 0000000..e3fc87e
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PowerConstruct.cs
@@ -0,0 +1,37 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Power Construct is an ability that allows Zygarde to change form when its HP drops below half.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Power_Construct_(Ability)">Bulbapedia - Power Construct</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "power_construct")]
+public class PowerConstruct : Script
+{
+    private IPokemon? _pokemon;
+
+    /// <inheritdoc />
+    public override void OnAddedToParent(IScriptSource source)
+    {
+        if (source is not IPokemon pokemon)
+            throw new InvalidOperationException("PowerConstruct script must be attached to a Pokemon.");
+        _pokemon = pokemon;
+    }
+
+    /// <inheritdoc />
+    public override void OnEndTurn(IBattle battle)
+    {
+        if (_pokemon?.BattleData?.Battle == null)
+            return;
+        if (_pokemon.Species.Name != "zygarde")
+            return;
+        if (_pokemon.CurrentHealth > _pokemon.BoostedStats.Hp / 2)
+            return;
+        if (_pokemon.Form.Name != "10" || _pokemon.Form.Name != "50")
+            return;
+        if (!_pokemon.Species.TryGetForm("complete", out var completeForm))
+            return;
+
+        _pokemon.ChangeForm(completeForm);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PowerOfAlchemy.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PowerOfAlchemy.cs
new file mode 100644
index 0000000..3614b5c
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/PowerOfAlchemy.cs
@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Power of Alchemy is an ability that copies the ability of a fainted ally.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Power_of_Alchemy_(Ability)">Bulbapedia - Power of Alchemy</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "power_of_alchemy")]
+public class PowerOfAlchemy : Script
+{
+    /// <inheritdoc />
+    public override void OnAllyFaint(IPokemon ally, IPokemon faintedPokemon)
+    {
+        if (faintedPokemon.ActiveAbility?.HasFlag("cant_be_copied") != true)
+            return;
+
+        ally.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(ally));
+        ally.ChangeAbility(faintedPokemon.ActiveAbility);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Prankster.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Prankster.cs
new file mode 100644
index 0000000..32d43d6
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Prankster.cs
@@ -0,0 +1,19 @@
+using PkmnLib.Static.Moves;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Prankster is an ability that gives priority to status moves.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Prankster_(Ability)">Bulbapedia - Prankster</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "prankster")]
+public class Prankster : Script
+{
+    /// <inheritdoc />
+    public override void ChangePriority(IMoveChoice choice, ref sbyte priority)
+    {
+        if (choice.ChosenMove.MoveData.Category == MoveCategory.Status && priority != sbyte.MaxValue)
+            priority++;
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Pressure.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Pressure.cs
new file mode 100644
index 0000000..c2b2eed
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Pressure.cs
@@ -0,0 +1,18 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Pressure is an ability that makes the opponent use more PP when using moves against the Pokémon.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Pressure_(Ability)">Bulbapedia - Pressure</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "pressure")]
+public class Pressure : Script
+{
+    /// <inheritdoc />
+    public override void ModifyPPUsedForIncomingMove(IExecutingMove executingMove, ref byte ppUsed)
+    {
+        if (ppUsed == byte.MaxValue)
+            return;
+        ppUsed++;
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs
index 477f58d..4c7d6d6 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs
@@ -108,4 +108,12 @@ public static class CustomTriggers
     {
         public float HealPercent { get; set; } = HealPercent;
     }
+
+    public static readonly StringKey PoisonedDamage = "poisoned_damage";
+
+    public record PoisonedDamageArgs(IPokemon Pokemon, uint Damage) : ICustomTriggerArgs
+    {
+        public uint Damage { get; set; } = Damage;
+        public bool Invert { get; set; } = false;
+    }
 }
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Poisoned.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Poisoned.cs
index 3d5129c..8b6786c 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Poisoned.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Status/Poisoned.cs
@@ -28,6 +28,9 @@ public class Poisoned : Script
             damage = 1;
 
         var battleData = _pokemon.BattleData;
+        var args = new CustomTriggers.PoisonedDamageArgs(_pokemon, damage);
+        _pokemon.RunScriptHook(x => x.CustomTrigger(CustomTriggers.PoisonedDamage, args));
+
         var eventBatchId = new EventBatchId();
         battleData?.Battle.EventHook.Invoke(new DialogEvent("poisoned_damage", new Dictionary<string, object>
         {
@@ -37,6 +40,10 @@ public class Poisoned : Script
         {
             BatchId = eventBatchId,
         });
-        _pokemon.Damage(damage, DamageSource.Status, eventBatchId);
+
+        if (args.Invert)
+            _pokemon.Heal(damage, batchId: eventBatchId);
+        else
+            _pokemon.Damage(damage, DamageSource.Status, eventBatchId);
     }
 }
\ No newline at end of file