diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 8a758e09f..484fbb96b 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -289,6 +289,7 @@ gBattleScriptsForMoveEffects:: @ 82D86A8
 	.4byte BattleScript_EffectAttackAccUp
 	.4byte BattleScript_EffectAttackSpAttackUp
 	.4byte BattleScript_EffectHurricane
+	.4byte BattleScript_EffectTwoTypedMove
 	
 BattleScript_EffectAttackSpAttackUp:
 	attackcanceler
@@ -847,6 +848,7 @@ BattleScript_EffectPsyshock:
 BattleScript_EffectWeatherBall:
 BattleScript_EffectHiddenPower:
 BattleScript_EffectFreezeDry:
+BattleScript_EffectTwoTypedMove:
 	jumpifnotmove MOVE_SURF, BattleScript_HitFromAtkCanceler
 	jumpifnostatus3 BS_TARGET, STATUS3_UNDERWATER, BattleScript_HitFromAtkCanceler
 	orword gHitMarker, HITMARKER_IGNORE_UNDERWATER
diff --git a/include/constants/battle_move_effects.h b/include/constants/battle_move_effects.h
index 6f20a8f1b..37f79c14e 100644
--- a/include/constants/battle_move_effects.h
+++ b/include/constants/battle_move_effects.h
@@ -278,5 +278,6 @@
 #define EFFECT_ATTACK_ACCURACY_UP 272
 #define EFFECT_ATTACK_SPATK_UP 273
 #define EFFECT_HURRICANE 274
+#define EFFECT_TWO_TYPED_MOVE 275
 
 #endif  // GUARD_CONSTANTS_BATTLE_MOVE_EFFECTS_H
diff --git a/include/data/battle_moves.h b/include/data/battle_moves.h
index 970f2f5a8..bfeaa8ca8 100644
--- a/include/data/battle_moves.h
+++ b/include/data/battle_moves.h
@@ -6724,7 +6724,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT_GEN6] =
 		.split = SPLIT_PHYSICAL,
 	},
 	{ // MOVE_FLYING_PRESS
-		.effect = EFFECT_PLACEHOLDER, // Needs a custom move effect
+		.effect = EFFECT_TWO_TYPED_MOVE,
 		.power = 100,
 		.type = TYPE_FIGHTING,
 		.accuracy = 95,
@@ -6734,6 +6734,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT_GEN6] =
 		.priority = 0,
 		.flags = FLAG_MAKES_CONTACT | FLAG_PROTECT_AFFECTED | FLAG_MIRROR_MOVE_AFFECTED | FLAG_KINGSROCK_AFFECTED | FLAG_DMG_MINIMIZE,
 		.split = SPLIT_PHYSICAL,
+		.argument = TYPE_FLYING,
 	},
 	{ // MOVE_MAT_BLOCK
 		.effect = EFFECT_PLACEHOLDER, // Needs a custom move effect
diff --git a/src/battle_util.c b/src/battle_util.c
index 3c03ae4f7..9a49d60a6 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -5447,41 +5447,50 @@ static void UpdateMoveResultFlags(u16 modifier)
     }
 }
 
+static u16 CalcTypeEffectivenessMultiplierInternal(u16 move, u8 moveType, u8 battlerAtk, u8 battlerDef, bool32 recordAbilities, u16 modifier)
+{
+    u32 atkAbility = GetBattlerAbility(battlerAtk);
+    MulByTypeEffectiveness(&modifier, move, moveType, battlerDef, gBattleMons[battlerDef].type1, atkAbility);
+    if (gBattleMons[battlerDef].type2 != gBattleMons[battlerDef].type1)
+        MulByTypeEffectiveness(&modifier, move, moveType, battlerDef, gBattleMons[battlerDef].type2, atkAbility);
+
+    if (moveType == TYPE_GROUND && !IsBattlerGrounded(battlerDef))
+    {
+        modifier = UQ_4_12(0.0);
+        if (recordAbilities && GetBattlerAbility(battlerDef) == ABILITY_LEVITATE)
+        {
+            gLastUsedAbility = ABILITY_LEVITATE;
+            gMoveResultFlags |= (MOVE_RESULT_MISSED | MOVE_RESULT_DOESNT_AFFECT_FOE);
+            gLastLandedMoves[battlerDef] = 0;
+            gBattleCommunication[6] = moveType;
+            RecordAbilityBattle(battlerDef, ABILITY_LEVITATE);
+        }
+    }
+    if (GetBattlerAbility(battlerDef) == ABILITY_WONDER_GUARD && modifier <= UQ_4_12(1.0) && gBattleMoves[move].power)
+    {
+        modifier = UQ_4_12(0.0);
+        if (recordAbilities)
+        {
+            gLastUsedAbility = ABILITY_WONDER_GUARD;
+            gMoveResultFlags |= MOVE_RESULT_MISSED;
+            gLastLandedMoves[battlerDef] = 0;
+            gBattleCommunication[6] = 3;
+            RecordAbilityBattle(battlerDef, ABILITY_WONDER_GUARD);
+        }
+    }
+
+    return modifier;
+}
+
 u16 CalcTypeEffectivenessMultiplier(u16 move, u8 moveType, u8 battlerAtk, u8 battlerDef, bool32 recordAbilities)
 {
     u16 modifier = UQ_4_12(1.0);
 
     if (move != MOVE_STRUGGLE && moveType != TYPE_MYSTERY)
     {
-        u32 atkAbility = GetBattlerAbility(battlerAtk);
-        MulByTypeEffectiveness(&modifier, move, moveType, battlerDef, gBattleMons[battlerDef].type1, atkAbility);
-        if (gBattleMons[battlerDef].type2 != gBattleMons[battlerDef].type1)
-            MulByTypeEffectiveness(&modifier, move, moveType, battlerDef, gBattleMons[battlerDef].type2, atkAbility);
-
-        if (moveType == TYPE_GROUND && !IsBattlerGrounded(battlerDef))
-        {
-            modifier = UQ_4_12(0.0);
-            if (recordAbilities && GetBattlerAbility(battlerDef) == ABILITY_LEVITATE)
-            {
-                gLastUsedAbility = ABILITY_LEVITATE;
-                gMoveResultFlags |= (MOVE_RESULT_MISSED | MOVE_RESULT_DOESNT_AFFECT_FOE);
-                gLastLandedMoves[battlerDef] = 0;
-                gBattleCommunication[6] = moveType;
-                RecordAbilityBattle(battlerDef, ABILITY_LEVITATE);
-            }
-        }
-        if (GetBattlerAbility(battlerDef) == ABILITY_WONDER_GUARD && modifier <= UQ_4_12(1.0) && gBattleMoves[move].power)
-        {
-            modifier = UQ_4_12(0.0);
-            if (recordAbilities)
-            {
-                gLastUsedAbility = ABILITY_WONDER_GUARD;
-                gMoveResultFlags |= MOVE_RESULT_MISSED;
-                gLastLandedMoves[battlerDef] = 0;
-                gBattleCommunication[6] = 3;
-                RecordAbilityBattle(battlerDef, ABILITY_WONDER_GUARD);
-            }
-        }
+        modifier = CalcTypeEffectivenessMultiplierInternal(move, moveType, battlerAtk, battlerDef, recordAbilities, modifier);
+        if (gBattleMoves[move].effect == EFFECT_TWO_TYPED_MOVE)
+            modifier = CalcTypeEffectivenessMultiplierInternal(move, gBattleMoves[move].argument, battlerAtk, battlerDef, recordAbilities, modifier);
     }
 
     UpdateMoveResultFlags(modifier);