From ce1108b8a28c1f69840bc161a06f08ee0a147753 Mon Sep 17 00:00:00 2001
From: xinef1 <w.szyszko2@gmail.com>
Date: Thu, 2 Mar 2017 00:12:57 +0100
Subject: Corrected calculation for SPELL_AURA_PERIODIC_DAMAGE_PERCENT (#19060)

---
 src/server/game/Spells/Auras/SpellAuraEffects.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/server')

diff --git a/src/server/game/Spells/Auras/SpellAuraEffects.cpp b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
index cbd2580e770..aa621bf02fd 100644
--- a/src/server/game/Spells/Auras/SpellAuraEffects.cpp
+++ b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
@@ -5568,8 +5568,8 @@ void AuraEffect::HandlePeriodicDamageAurasTick(Unit* target, Unit* caster) const
             }
         }
     }
-    else
-        damage = uint32(target->CountPctFromMaxHealth(damage));
+    else // ceil obtained value, it may happen that 10 ticks for 10% damage may not kill owner
+        damage = uint32(ceil(CalculatePct<float, float>(target->GetMaxHealth(), damage)));
 
     if (!m_spellInfo->HasAttribute(SPELL_ATTR4_FIXED_DAMAGE))
     {
-- 
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