diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
index 3b73e10ba..2cf62db2b 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
@@ -293,16 +293,12 @@ public:
             _instance(creature->GetInstanceScript()), _portalCount(RAID_MODE<uint32>(3, 8, 3, 8))
         {
             me->SetReactState(REACT_PASSIVE);
-            _spawnHealth = 1; // just in case if not set below
-            if (CreatureData const* data = sObjectMgr->GetCreatureData(me->GetSpawnId()))
-                if (data->curhealth)
-                    _spawnHealth = data->curhealth;
         }
 
         void Reset() override
         {
             _events.Reset();
-            me->SetHealth(_spawnHealth);
+            me->SetHealth(me->GetMaxHealth() * 0.5f); // starts at 50% health
             me->LoadCreaturesAddon(true);
             // immune to percent heals
             me->ApplySpellImmune(0, IMMUNITY_STATE, SPELL_AURA_OBS_MOD_HEALTH, true);
@@ -440,8 +436,9 @@ public:
             // does not enter combat
             if (_instance->GetBossState(DATA_VALITHRIA_DREAMWALKER) == NOT_STARTED)
             {
-                if (me->GetHealth() != _spawnHealth) // healing when boss cannot be engaged (lower spire not finished, cheating) doesn't start the fight, prevent winning this way
-                    me->SetHealth(_spawnHealth);
+                uint32 startingHealth = me->GetMaxHealth() * 0.5f;
+                if (me->GetHealth() != startingHealth) // healing when boss cannot be engaged (lower spire not finished, cheating) doesn't start the fight, prevent winning this way
+                    me->SetHealth(startingHealth);
                 return;
             }
 
@@ -484,7 +481,6 @@ public:
     private:
         EventMap _events;
         InstanceScript* _instance;
-        uint32 _spawnHealth;
         uint32 const _portalCount;
         uint32 _missedPortals;
         bool _under25PercentTalkDone;
@@ -756,7 +752,7 @@ public:
             if (!me->IsInCombat())
                 if (me->GetSpawnId())
                     if (!me->GetCurrentSpell(CURRENT_CHANNELED_SPELL))
-                        me->CastSpell(me, SPELL_CORRUPTION, false);
+                        me->CastSpell(me, SPELL_CORRUPTION, true);
 
             if (!UpdateVictim())
                 return;