From b97869edb8caed85c827d6780d520c1974306eea Mon Sep 17 00:00:00 2001
From: UltraNix <80540499+UltraNix@users.noreply.github.com>
Date: Sat, 19 Feb 2022 13:47:42 +0100
Subject: [PATCH] fix(Core/Spells): Deep Freeze should damage only permanent
 stun-immuned targets (#10452)

Fixed #10386

Co-authored-by: temperrr <temperrr@users.noreply.github.com>
---
 src/server/game/Entities/Unit/Unit.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index e241e1e1c..d1d0dadd4 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -8522,6 +8522,12 @@ bool Unit::HandleProcTriggerSpell(Unit* victim, uint32 damage, AuraEffect* trigg
                             return false;
                     }
                 }
+                else if (auraSpellInfo->Id == 71761) // Deep Freeze Immunity State (only permanent)
+                {
+                    Creature* creature = victim->ToCreature();
+                    if (!creature || !creature->HasMechanicTemplateImmunity(1 << (MECHANIC_STUN - 1)))
+                        return false;
+                }
                 break;
             case SPELLFAMILY_WARLOCK:
                 {