diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 8f5177043..d8aedafed 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -5984,6 +5984,11 @@ BattleScript_DazzlingProtected::
 	printstring STRINGID_POKEMONCANNOTUSEMOVE
 	waitmessage 0x40
 	goto BattleScript_MoveEnd
+	
+BattleScript_MoveUsedPsychicTerrainPrevents::
+	printstring STRINGID_POKEMONCANNOTUSEMOVE
+	waitmessage 0x40
+	goto BattleScript_MoveEnd
 
 BattleScript_AbilityNoSpecificStatLoss::
 	pause 0x20
diff --git a/include/battle_scripts.h b/include/battle_scripts.h
index dd0334fce..4855d52b1 100644
--- a/include/battle_scripts.h
+++ b/include/battle_scripts.h
@@ -285,5 +285,6 @@ extern const u8 BattleScript_TrainerSlideMsgEnd2[];
 extern const u8 BattleScript_MoveEffectFeint[];
 extern const u8 BattleScript_ProteanActivates[];
 extern const u8 BattleScript_DazzlingProtected[];
+extern const u8 BattleScript_MoveUsedPsychicTerrainPrevents[];
 
 #endif // GUARD_BATTLE_SCRIPTS_H
diff --git a/include/battle_util.h b/include/battle_util.h
index ede49e10d..ad166571e 100644
--- a/include/battle_util.h
+++ b/include/battle_util.h
@@ -64,6 +64,7 @@ bool8 HandleWishPerishSongOnTurnEnd(void);
 bool8 HandleFaintedMonActions(void);
 void TryClearRageAndFuryCutter(void);
 u8 AtkCanceller_UnableToUseMove(void);
+u8 AtkCanceller_UnableToUseMove2(void);
 bool8 HasNoMonsToSwitch(u8 battlerId, u8 r1, u8 r2);
 u8 CastformDataTypeChange(u8 battlerId);
 bool32 TryChangeBattleWeather(u8 battler, u32 weatherEnumId, bool32 viaAbility);
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 5e57de574..f6d00e62d 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -979,6 +979,8 @@ static void atk00_attackcanceler(void)
         return;
     }
 
+    if (AtkCanceller_UnableToUseMove2())
+        return;
     if (AbilityBattleEffects(ABILITYEFFECT_MOVES_BLOCK, gBattlerTarget, 0, 0, 0))
         return;
     if (!gBattleMons[gBattlerAttacker].pp[gCurrMovePos] && gCurrentMove != MOVE_STRUGGLE && !(gHitMarker & (HITMARKER_x800000 | HITMARKER_NO_ATTACKSTRING))
diff --git a/src/battle_util.c b/src/battle_util.c
index 0d713c9ee..065e969c1 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -1986,6 +1986,8 @@ enum
 	CANCELLER_BIDE,
 	CANCELLER_THAW,
 	CANCELLER_END,
+	CANCELLER_PSYCHIC_TERRAIN,
+	CANCELLER_END2,
 };
 
 u8 AtkCanceller_UnableToUseMove(void)
@@ -2288,6 +2290,38 @@ u8 AtkCanceller_UnableToUseMove(void)
     return effect;
 }
 
+// After Protean Activation.
+u8 AtkCanceller_UnableToUseMove2(void)
+{
+    u8 effect = 0;
+    do
+    {
+        switch (gBattleStruct->atkCancellerTracker)
+        {
+        case CANCELLER_END:
+            gBattleStruct->atkCancellerTracker++;
+        case CANCELLER_PSYCHIC_TERRAIN:
+            if (gFieldStatuses & STATUS_FIELD_PSYCHIC_TERRAIN
+                && IsBattlerGrounded(gBattlerAttacker)
+                && gBattleStruct->movePriorities[gBattlerAttacker] > 0
+                && GetBattlerSide(gBattlerAttacker) != GetBattlerSide(gBattlerTarget))
+            {
+                CancelMultiTurnMoves(gBattlerAttacker);
+                gBattlescriptCurrInstr = BattleScript_MoveUsedPsychicTerrainPrevents;
+                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
+                effect = 1;
+            }
+            gBattleStruct->atkCancellerTracker++;
+            break;
+        case CANCELLER_END2:
+            break;
+        }
+
+    } while (gBattleStruct->atkCancellerTracker != CANCELLER_END2 && effect == 0);
+
+    return effect;
+}
+
 bool8 HasNoMonsToSwitch(u8 battler, u8 partyIdBattlerOn1, u8 partyIdBattlerOn2)
 {
     struct Pokemon *party;