diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 964a6d8a3..cf686fec9 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -3033,6 +3033,7 @@ BattleScript_EffectSleep::
 	jumpifstatus BS_TARGET, STATUS1_SLEEP, BattleScript_AlreadyAsleep
 	jumpifcantmakeasleep BattleScript_CantMakeAsleep
 	jumpifability BS_TARGET, ABILITY_COMATOSE, BattleScript_LeafGuardProtects
+	jumpifability BS_TARGET, ABILITY_PURIFYING_SALT, BattleScript_LeafGuardProtects
 	jumpifflowerveil BattleScript_FlowerVeilProtects
 	jumpifability BS_TARGET_SIDE, ABILITY_SWEET_VEIL, BattleScript_SweetVeilProtects
 	jumpifleafguardprotected BS_TARGET, BattleScript_LeafGuardProtects
@@ -3622,6 +3623,7 @@ BattleScript_EffectToxic::
 	ppreduce
 	jumpifability BS_TARGET, ABILITY_IMMUNITY, BattleScript_ImmunityProtected
 	jumpifability BS_TARGET, ABILITY_COMATOSE, BattleScript_LeafGuardProtects
+	jumpifability BS_TARGET, ABILITY_PURIFYING_SALT, BattleScript_LeafGuardProtects
 	jumpifability BS_TARGET_SIDE, ABILITY_PASTEL_VEIL, BattleScript_PastelVeilProtects
 	jumpifflowerveil BattleScript_FlowerVeilProtects
 	jumpifleafguardprotected BS_TARGET, BattleScript_LeafGuardProtects
@@ -3960,6 +3962,7 @@ BattleScript_EffectPoison::
 	ppreduce
 	jumpifability BS_TARGET, ABILITY_IMMUNITY, BattleScript_ImmunityProtected
 	jumpifability BS_TARGET, ABILITY_COMATOSE, BattleScript_LeafGuardProtects
+	jumpifability BS_TARGET, ABILITY_PURIFYING_SALT, BattleScript_LeafGuardProtects
 	jumpifability BS_TARGET_SIDE, ABILITY_PASTEL_VEIL, BattleScript_PastelVeilProtects
 	jumpifflowerveil BattleScript_FlowerVeilProtects
 	jumpifleafguardprotected BS_TARGET, BattleScript_LeafGuardProtects
@@ -3986,6 +3989,7 @@ BattleScript_EffectParalyze:
 	ppreduce
 	jumpifability BS_TARGET, ABILITY_LIMBER, BattleScript_LimberProtected
 	jumpifability BS_TARGET, ABILITY_COMATOSE, BattleScript_LeafGuardProtects
+	jumpifability BS_TARGET, ABILITY_PURIFYING_SALT, BattleScript_LeafGuardProtects
 	jumpifflowerveil BattleScript_FlowerVeilProtects
 	jumpifleafguardprotected BS_TARGET, BattleScript_LeafGuardProtects
 	jumpifshieldsdown BS_TARGET, BattleScript_LeafGuardProtects
@@ -5409,6 +5413,7 @@ BattleScript_EffectWillOWisp::
 	jumpifability BS_TARGET, ABILITY_WATER_VEIL, BattleScript_WaterVeilPrevents
 	jumpifability BS_TARGET, ABILITY_WATER_BUBBLE, BattleScript_WaterVeilPrevents
 	jumpifability BS_TARGET, ABILITY_COMATOSE, BattleScript_LeafGuardProtects
+	jumpifability BS_TARGET, ABILITY_PURIFYING_SALT, BattleScript_LeafGuardProtects
 	jumpifflowerveil BattleScript_FlowerVeilProtects
 	jumpifleafguardprotected BS_TARGET, BattleScript_LeafGuardProtects
 	jumpifshieldsdown BS_TARGET, BattleScript_LeafGuardProtects
@@ -5701,6 +5706,7 @@ BattleScript_EffectYawn::
 	jumpifability BS_TARGET, ABILITY_VITAL_SPIRIT, BattleScript_PrintBankAbilityMadeIneffective
 	jumpifability BS_TARGET, ABILITY_INSOMNIA, BattleScript_PrintBankAbilityMadeIneffective
 	jumpifability BS_TARGET, ABILITY_COMATOSE, BattleScript_PrintBankAbilityMadeIneffective
+	jumpifability BS_TARGET, ABILITY_PURIFYING_SALT, BattleScript_LeafGuardProtects
 	jumpifflowerveil BattleScript_FlowerVeilProtects
 	jumpifleafguardprotected BS_TARGET, BattleScript_LeafGuardProtects
 	jumpifshieldsdown BS_TARGET, BattleScript_LeafGuardProtects
diff --git a/src/battle_util.c b/src/battle_util.c
index ed425dd49..fd6374e74 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -8896,7 +8896,7 @@ static u32 CalcMoveBasePowerAfterModifiers(u16 move, u8 battlerAtk, u8 battlerDe
     #define TERRAIN_TYPE_BOOST UQ_4_12(1.5)
 #endif
 
-    // various effecs
+    // various effects
     if (gProtectStructs[battlerAtk].helpingHand)
         MulModifier(&modifier, UQ_4_12(1.5));
     if (gStatuses3[battlerAtk] & STATUS3_CHARGED_UP && moveType == TYPE_ELECTRIC)
@@ -9226,6 +9226,10 @@ static u32 CalcDefenseStat(u16 move, u8 battlerAtk, u8 battlerDef, u8 moveType,
         if (gBattleMoves[move].flags & FLAG_SOUND)
             MulModifier(&modifier, UQ_4_12(2.0));
         break;
+    case ABILITY_PURIFYING_SALT:
+        if (gBattleMoves[move].type == TYPE_GHOST)
+            MulModifier(&modifier, UQ_4_12(2.0));
+        break;
     }
 
     // ally's abilities