diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index e4fdb3038e..88832325af 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -381,6 +381,7 @@ gBattleScriptsForMoveEffects::
 	.4byte BattleScript_EffectTripleHit               @ EFFECT_TRIPLE_HIT
 	.4byte BattleScript_EffectRecoilHP25              @ EFFECT_RECOIL_HP_25
 	.4byte BattleScript_EffectStuffCheeks             @ EFFECT_STUFF_CHEEKS
+	.4byte BattleScript_EffectDefenseDownHit          @ EFFECT_GRAV_APPLE
 
 BattleScript_EffectStuffCheeks::
 	attackcanceler
diff --git a/include/constants/battle_move_effects.h b/include/constants/battle_move_effects.h
index 9a6efb8471..20f6e110d1 100644
--- a/include/constants/battle_move_effects.h
+++ b/include/constants/battle_move_effects.h
@@ -365,7 +365,8 @@
 #define EFFECT_TRIPLE_HIT 359
 #define EFFECT_RECOIL_HP_25 360
 #define EFFECT_STUFF_CHEEKS 361
+#define EFFECT_GRAV_APPLE 362
 
-#define NUM_BATTLE_MOVE_EFFECTS 362
+#define NUM_BATTLE_MOVE_EFFECTS 363
 
 #endif  // GUARD_CONSTANTS_BATTLE_MOVE_EFFECTS_H
diff --git a/src/battle_util.c b/src/battle_util.c
index 895e7436c3..7b290eafd0 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -7690,6 +7690,10 @@ static u16 CalcMoveBasePower(u16 move, u8 battlerAtk, u8 battlerDef)
         #endif
         break;
     }
+    case EFFECT_GRAV_APPLE:
+        if (gFieldStatuses & STATUS_FIELD_GRAVITY)
+            MulModifier(&basePower, UQ_4_12(1.5));
+        break;
     }
 
     // move-specific base power changes
diff --git a/src/data/battle_moves.h b/src/data/battle_moves.h
index a6b8d271c9..2dcdbf5b24 100644
--- a/src/data/battle_moves.h
+++ b/src/data/battle_moves.h
@@ -11103,7 +11103,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT] =
 
     [MOVE_GRAV_APPLE] =
     {
-        .effect = EFFECT_DEFENSE_DOWN_HIT,
+        .effect = EFFECT_GRAV_APPLE,
         .power = 80,
         .type = TYPE_GRASS,
         .accuracy = 100,