From 674f38e912f67c9a62b10a72cd56400bb4addf90 Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Sat, 31 Aug 2019 15:31:09 -0400
Subject: [PATCH] Corrected calculation for SPELL_AURA_PERIODIC_DAMAGE_PERCENT

Port From (https://github.com/TrinityCore/TrinityCore/commit/6cd254d83b51d25551536122ea0217df447b2cf3)
---
 Source/Game/Spells/Auras/AuraEffect.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/Game/Spells/Auras/AuraEffect.cs b/Source/Game/Spells/Auras/AuraEffect.cs
index 4309936b7..48c9b34f7 100644
--- a/Source/Game/Spells/Auras/AuraEffect.cs
+++ b/Source/Game/Spells/Auras/AuraEffect.cs
@@ -5318,8 +5318,8 @@ namespace Game.Spells
                     }
                 }
             }
-            else
-                damage = (uint)target.CountPctFromMaxHealth((int)damage);
+            else // ceil obtained value, it may happen that 10 ticks for 10% damage may not kill owner
+                damage = (uint)Math.Ceiling((float)MathFunctions.CalculatePct(target.GetMaxHealth(), damage));
 
             if (!m_spellInfo.HasAttribute(SpellAttr4.FixedDamage))
             {