Fixes Eject Pack / Intimidate issue (#5902)

src/battle_util.c

@@ -8322,6 +8322,18 @@ u32 ItemBattleEffects(enum ItemEffect caseID, u32 battler, bool32 moveTurn)
                 gBattlescriptCurrInstr = BattleScript_WhiteHerbRet;
             }
             break;
+        case HOLD_EFFECT_EJECT_PACK:
+            if (gProtectStructs[battler].statFell
+             && gProtectStructs[battler].disableEjectPack == 0
+             && CountUsablePartyMons(battler) > 0)
+            {
+                gBattleScripting.battler = battler;
+                gPotentialItemEffectBattler = battler;
+                effect = ITEM_STATS_CHANGE;
+                BattleScriptPushCursor();
+                gBattlescriptCurrInstr = BattleScript_EjectPackActivates;
+            }
+            break;
         }
         break;
     }

test/battle/hold_effect/eject_pack.c

@@ -85,3 +85,19 @@ SINGLE_BATTLE_TEST("Eject Pack will miss timing to switch out user if Emergency
         EXPECT(opponent->species == SPECIES_WYNAUT);
     }
 }
+
+SINGLE_BATTLE_TEST("Eject Pack activates once intimidate mon switches in")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { Item(ITEM_EJECT_PACK); }
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_EKANS) { Ability(ABILITY_INTIMIDATE); }
+    } WHEN {
+        TURN { SWITCH(opponent, 1); SEND_OUT(player, 1); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_HELD_ITEM_EFFECT, player);
+        MESSAGE("Wobbuffet is switched out with the Eject Pack!");
+    }
+}