From 59abb0ff4e818a31696364cf1f94bb69d8ea549a Mon Sep 17 00:00:00 2001
From: kleeenexfeu <94004034+kleeenexfeu@users.noreply.github.com>
Date: Wed, 10 Nov 2021 20:45:39 +0100
Subject: [PATCH] Serene Grace affects King's rock

according to https://bulbapedia.bulbagarden.net/wiki/King%27s_Rock
---
 src/battle_util.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/battle_util.c b/src/battle_util.c
index 4f09e3bb7a..385b09a1cf 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -6847,6 +6847,8 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
         switch (atkHoldEffect)
         {
         case HOLD_EFFECT_FLINCH:
+            if (GetBattlerAbility(gBattlerAttacker) == ABILITY_SERENE_GRACE)
+                atkHoldEffectParam *= 2;
             if (gBattleMoveDamage != 0  // Need to have done damage
                 && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
                 && TARGET_TURN_DAMAGED