diff --git a/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc b/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
index 3918a6d..77de6d9 100755
--- a/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
+++ b/Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc
@@ -726,17 +726,34 @@
   "water_absorb": {
     "effect": "water_absorb"
   },
-  "water_bubble": {},
-  "water_compaction": {},
-  "water_veil": {},
-  "weak_armor": {},
-  "white_smoke": {},
-  "wimp_out": {},
-  "wonder_guard": {},
-  "wonder_skin": {},
+  "water_bubble": {
+    "effect": "water_bubble"
+  },
+  "water_compaction": {
+    "effect": "water_compaction"
+  },
+  "water_veil": {
+    "effect": "water_veil"
+  },
+  "weak_armor": {
+    "effect": "weak_armor"
+  },
+  "white_smoke": {
+    "effect": "white_smoke"
+  },
+  "wimp_out": {
+    "effect": "wimp_out"
+  },
+  "wonder_guard": {
+    "effect": "wonder_guard"
+  },
+  "wonder_skin": {
+    "effect": "wonder_skin"
+  },
   "zen_mode": {
     "flags": [
       "cant_be_copied"
-    ]
+    ],
+    "effect": "zen_mode"
   }
 }
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Data/Pokemon.json b/Plugins/PkmnLib.Plugin.Gen7/Data/Pokemon.json
index 3e0803f..a64fc15 100755
--- a/Plugins/PkmnLib.Plugin.Gen7/Data/Pokemon.json
+++ b/Plugins/PkmnLib.Plugin.Gen7/Data/Pokemon.json
@@ -25251,6 +25251,7 @@
         }
       },
       "zen": {
+        "isBattleOnly": true,
         "abilities": [
           "sheer_force"
         ],
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ShieldsDown.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ShieldsDown.cs
index 82a3b29..e30f76a 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ShieldsDown.cs
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ShieldsDown.cs
@@ -8,21 +8,11 @@ namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 [Script(ScriptCategory.Ability, "shields_down")]
 public class ShieldsDown : Script
 {
-    private IPokemon? _owningPokemon;
-
-    /// <inheritdoc />
-    public override void OnAddedToParent(IScriptSource source)
-    {
-        if (source is not IPokemon pokemon)
-            throw new ArgumentException("ShieldsDown script must be added to a Pokemon.", nameof(source));
-        _owningPokemon = pokemon;
-    }
-
     /// <inheritdoc />
     public override void OnSwitchIn(IPokemon pokemon, byte position) => ChangeFormIfNeeded(pokemon);
 
     /// <inheritdoc />
-    public override void OnEndTurn(IScriptSource owner, IBattle battle) => ChangeFormIfNeeded(_owningPokemon);
+    public override void OnEndTurn(IScriptSource owner, IBattle battle) => ChangeFormIfNeeded(owner as IPokemon);
 
     private static void ChangeFormIfNeeded(IPokemon? pokemon)
     {
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterBubble.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterBubble.cs
new file mode 100644
index 0000000..3fb0e6d
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterBubble.cs
@@ -0,0 +1,32 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Water Bubble is an ability that halves the damage taken from Fire-type moves and prevents the Pokémon from being burned.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Water_Bubble_(Ability)">Bulbapedia - Water Bubble</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "water_bubble")]
+public class WaterBubble : Script
+{
+    /// <inheritdoc />
+    public override void PreventStatusChange(IPokemon pokemon, StringKey status, bool selfInflicted,
+        ref bool preventStatus)
+    {
+        if (status == ScriptUtils.ResolveName<Status.Burned>())
+            preventStatus = true;
+    }
+
+    /// <inheritdoc />
+    public override void ChangeIncomingMoveDamage(IExecutingMove move, IPokemon target, byte hit, ref uint damage)
+    {
+        if (move.GetHitData(target, hit).Type?.Name == "fire")
+            damage /= 2;
+    }
+
+    /// <inheritdoc />
+    public override void ChangeMoveDamage(IExecutingMove move, IPokemon target, byte hit, ref uint damage)
+    {
+        if (move.GetHitData(target, hit).Type?.Name == "water")
+            damage *= 2;
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterCompaction.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterCompaction.cs
new file mode 100644
index 0000000..09b302b
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterCompaction.cs
@@ -0,0 +1,19 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Water Compaction is an ability that sharply raises Defense when hit by a Water-type move.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Water_Compaction_(Ability)">Bulbapedia - Water Compaction</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "water_compaction")]
+public class WaterCompaction : Script
+{
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        if (move.GetHitData(target, hit).Type?.Name != "water")
+            return;
+        target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+        target.ChangeStatBoost(Statistic.Defense, 2, true, false);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterVeil.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterVeil.cs
new file mode 100644
index 0000000..3d7bcf7
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WaterVeil.cs
@@ -0,0 +1,18 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Water Veil is an ability that prevents the Pokémon from being burned.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Water_Veil_(Ability)">Bulbapedia - Water Veil</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "water_veil")]
+public class WaterVeil : Script
+{
+    /// <inheritdoc />
+    public override void PreventStatusChange(IPokemon pokemon, StringKey status, bool selfInflicted,
+        ref bool preventStatus)
+    {
+        if (status == ScriptUtils.ResolveName<Status.Burned>())
+            preventStatus = true;
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WeakArmor.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WeakArmor.cs
new file mode 100644
index 0000000..347954e
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WeakArmor.cs
@@ -0,0 +1,23 @@
+using PkmnLib.Static.Moves;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Weak Armor is an ability that lowers Defense and raises Speed when hit by a physical move.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Weak_Armor_(Ability)">Bulbapedia - Weak Armor</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "weak_armor")]
+public class WeakArmor : Script
+{
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        if (move.UseMove.Category != MoveCategory.Physical)
+            return;
+
+        target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+        target.ChangeStatBoost(Statistic.Defense, -1, true, false);
+        target.ChangeStatBoost(Statistic.Speed, 1, true, false);
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WhiteSmoke.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WhiteSmoke.cs
new file mode 100644
index 0000000..62923d0
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WhiteSmoke.cs
@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// White Smoke is an ability that prevents the Pokémon's stats from being lowered by other Pokémon.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/White_Smoke_(Ability)">Bulbapedia - White Smoke</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "white_smoke")]
+public class WhiteSmoke : Script
+{
+    /// <inheritdoc />
+    public override void PreventStatBoostChange(IPokemon target, Statistic stat, sbyte amount, bool selfInflicted,
+        ref bool prevent)
+    {
+        if (selfInflicted || amount >= 0)
+            return;
+
+        prevent = true;
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WimpOut.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WimpOut.cs
new file mode 100644
index 0000000..f4f3c93
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WimpOut.cs
@@ -0,0 +1,12 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Wimp Out is an ability that causes the Pokémon to switch out when its HP falls below half.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Wimp_Out_(Ability)">Bulbapedia - Wimp Out</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "wimp_out")]
+public class WimpOut : Script
+{
+    // TODO: Implement Wimp Out ability logic
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WonderGuard.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WonderGuard.cs
new file mode 100644
index 0000000..1f3fe8f
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WonderGuard.cs
@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Wonder Guard is an ability that only allows super-effective moves to hit the Pokémon.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Wonder_Guard_(Ability)">Bulbapedia - Wonder Guard</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "wonder_guard")]
+public class WonderGuard : Script
+{
+    /// <inheritdoc />
+    public override void BlockIncomingHit(IExecutingMove executingMove, IPokemon target, byte hitIndex, ref bool block)
+    {
+        var effectiveness = executingMove.GetHitData(target, hitIndex).Effectiveness;
+        if (!(effectiveness <= 1.0))
+            return;
+        executingMove.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+        block = true;
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WonderSkin.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WonderSkin.cs
new file mode 100644
index 0000000..2ca2f2a
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/WonderSkin.cs
@@ -0,0 +1,23 @@
+using PkmnLib.Static.Moves;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Wonder Skin is an ability that makes status moves more likely to miss.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Wonder_Skin_(Ability)">Bulbapedia - Wonder Skin</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "wonder_skin")]
+public class WonderSkin : Script
+{
+    /// <inheritdoc />
+    public override void ChangeIncomingAccuracy(IExecutingMove executingMove, IPokemon target, byte hitIndex,
+        ref int modifiedAccuracy)
+    {
+        if (executingMove.UseMove.Category == MoveCategory.Status && executingMove.UseMove.Accuracy != 255)
+        {
+            executingMove.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+            modifiedAccuracy /= 2;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ZenMode.cs b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ZenMode.cs
new file mode 100644
index 0000000..c0e085d
--- /dev/null
+++ b/Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/ZenMode.cs
@@ -0,0 +1,34 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Zen Mode is an ability that changes the Pokémon's form when its HP falls below half.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Zen_Mode_(Ability)">Bulbapedia - Zen Mode</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "zen_mode")]
+public class ZenMode : Script
+{
+    /// <inheritdoc />
+    public override void OnSwitchIn(IPokemon pokemon, byte position) => ChangeFormIfNeeded(pokemon);
+
+    /// <inheritdoc />
+    public override void OnEndTurn(IScriptSource owner, IBattle battle) => ChangeFormIfNeeded(owner as IPokemon);
+
+    private static void ChangeFormIfNeeded(IPokemon? pokemon)
+    {
+        if (pokemon is null)
+            return;
+
+        if (pokemon.Species.Name != "darmanitan" || pokemon.BattleData?.Battle == null)
+            return;
+        if (pokemon.CurrentHealth < pokemon.MaxHealth / 2 && pokemon.Form.Name != "zen" &&
+            pokemon.Species.TryGetForm("zen", out var zenForm))
+        {
+            pokemon.ChangeForm(zenForm);
+        }
+        else if (pokemon.CurrentHealth >= pokemon.MaxHealth / 2 && pokemon.Form.Name == "zen")
+        {
+            pokemon.ChangeForm(pokemon.Species.GetDefaultForm());
+        }
+    }
+}
\ No newline at end of file