diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index c7f3cc663a..3a503315a3 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -7754,3 +7754,17 @@ BattleScript_MicleBerryActivateRet_Anim:
 	removeitem BS_SCRIPTING
 	return
 
+BattleScript_JabocaRowapBerryActivates::
+	jumpifability BS_TARGET, ABILITY_RIPEN, BattleScript_JabocaRowapBerryActivate_Ripen
+	goto BattleScript_JabocaRowapBerryActivate_Anim
+BattleScript_JabocaRowapBerryActivate_Ripen:
+	call BattleScript_AbilityPopUp
+BattleScript_JabocaRowapBerryActivate_Anim:
+	jumpifabsent BS_TARGET, BattleScript_JabocaRowapBerryActivate_Dmg	@ dont play the animation for a fainted target
+	playanimation BS_TARGET, B_ANIM_HELD_ITEM_EFFECT, NULL
+	waitanimation
+BattleScript_JabocaRowapBerryActivate_Dmg:
+	call BattleScript_HurtAttacker
+	removeitem BS_TARGET
+	return
+
diff --git a/include/battle_scripts.h b/include/battle_scripts.h
index aec8dbc6e0..4ca82e3bf6 100644
--- a/include/battle_scripts.h
+++ b/include/battle_scripts.h
@@ -354,5 +354,6 @@ extern const u8 BattleScript_QuickClawActivation[];
 extern const u8 BattleScript_CustapBerryActivation[];
 extern const u8 BattleScript_MicleBerryActivateEnd2[];
 extern const u8 BattleScript_MicleBerryActivateRet[];
+extern const u8 BattleScript_JabocaRowapBerryActivates[];
 
 #endif // GUARD_BATTLE_SCRIPTS_H
diff --git a/include/constants/hold_effects.h b/include/constants/hold_effects.h
index 3de2e7b43b..52a3ffda4b 100644
--- a/include/constants/hold_effects.h
+++ b/include/constants/hold_effects.h
@@ -107,6 +107,7 @@
 #define HOLD_EFFECT_MICLE_BERRY    101
 #define HOLD_EFFECT_JABOCA_BERRY   102
 #define HOLD_EFFECT_CUSTAP_BERRY   103
+#define HOLD_EFFECT_RETALIATE_BERRY 104  // rowap, jaboca
 
 // Gen5 hold effects
 #define HOLD_EFFECT_FLOAT_STONE    115
diff --git a/src/battle_util.c b/src/battle_util.c
index 54df2df63b..b6d83d9576 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -5890,6 +5890,25 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                     gBattleScripting.statChanger = SET_STATCHANGER(STAT_SPATK, 1, FALSE);
                 }
                 break;
+            case HOLD_EFFECT_RETALIATE_BERRY:
+                if (IsBattlerAlive(battlerId)
+                  && TARGET_TURN_DAMAGED
+                  && !DoesSubstituteBlockMove(gBattlerAttacker, battlerId, gCurrentMove)
+                  && GetBattleMoveSplit(gCurrentMove) == ItemId_GetHoldEffectParam(gLastUsedItem))
+                {
+                    gBattleMoveDamage = gBattleMons[gBattlerAttacker].maxHP / 8;
+                    if (gBattleMoveDamage == 0)
+                        gBattleMoveDamage = 1;
+                    if (GetBattlerAbility(battlerId) == ABILITY_RIPEN)
+                        gBattleMoveDamage *= 2;
+                    
+                    effect = ITEM_HP_CHANGE;
+                    BattleScriptPushCursor();
+                    gBattlescriptCurrInstr = BattleScript_JabocaRowapBerryActivates;
+                    PREPARE_ITEM_BUFFER(gBattleTextBuff1, gLastUsedItem);
+                    RecordItemEffectBattle(battlerId, HOLD_EFFECT_ROCKY_HELMET);
+                }
+                break;
             }
         }
         break;