Core/Spells: Fix spells with Health Leech effect, now check damage absorb when calculate Heal (#23312)

Closes: #23311

1 files changed, 6 insertions, 0 deletions

diff --git a/src/server/game/Spells/SpellEffects.cpp b/src/server/game/Spells/SpellEffects.cpp
index 23539d25bb6..ffa990f9191 100644
--- a/src/server/game/Spells/SpellEffects.cpp
+++ b/src/server/game/Spells/SpellEffects.cpp
@@ -1437,6 +1437,12 @@ void Spell::EffectHealthLeech(SpellEffIndex effIndex)
     float healMultiplier = m_spellInfo->Effects[effIndex].CalcValueMultiplier(unitCaster, this);
 
     m_damage += damage;
+
+    DamageInfo damageInfo(unitCaster, unitTarget, damage, m_spellInfo, m_spellInfo->GetSchoolMask(), SPELL_DIRECT_DAMAGE, BASE_ATTACK);
+    Unit::CalcAbsorbResist(damageInfo);
+    uint32 const absorb = damageInfo.GetAbsorb();
+    damage -= absorb;
+
     // get max possible damage, don't count overkill for heal
     uint32 healthGain = uint32(-unitTarget->GetHealthGain(-damage) * healMultiplier);