diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
index 1eacc09928..5f05e6847e 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
@@ -590,6 +590,10 @@ class npc_the_lich_king_controller : public CreatureScript
                 _events.ScheduleEvent(EVENT_RISEN_ARCHMAGE_SUMMONER, 20000);
                 _events.ScheduleEvent(EVENT_BLAZING_SKELETON_SUMMONER, 30000);
                 me->SetReactState(REACT_PASSIVE);
+                // immune to percent heals
+                me->ApplySpellImmune(0, IMMUNITY_STATE, SPELL_AURA_OBS_MOD_HEALTH, true);
+                me->ApplySpellImmune(0, IMMUNITY_EFFECT, SPELL_EFFECT_HEAL_PCT, true);
+                me->ApplySpellImmune(0, IMMUNITY_EFFECT, SPELL_EFFECT_HEAL_MAX_HEALTH, true);
             }
 
             void JustReachedHome()