diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index 9cae254ca..250edf301 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -4502,6 +4502,38 @@ void Spell::EffectWeaponDmg(uint32 i)
                     }
                 }
             }
+            break;
+        }
+        case SPELLFAMILY_DEATHKNIGHT:
+        {
+            // Blood Strike, Heart Strike, Obliterate
+            // Blood-Caked Strike, Scourge Strike
+            if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x0002000001400000) ||
+                m_spellInfo->SpellIconID == 1736 || m_spellInfo->SpellIconID == 3143)
+            {
+                uint32 count = 0;
+                Unit::AuraMap const& auras = unitTarget->GetAuras();
+                for(Unit::AuraMap::const_iterator itr = auras.begin(); itr!=auras.end(); ++itr)
+                {
+                    if(itr->second->GetSpellProto()->Dispel == DISPEL_DISEASE &&
+                        itr->second->GetCasterGUID() == m_caster->GetGUID() &&
+                        IsSpellLastAuraEffect(itr->second->GetSpellProto(), itr->second->GetEffIndex()))
+                        ++count;
+                }
+
+                if (count)
+                {
+                    // Effect 1(for Blood-Caked Strike)/3(other) damage is bonus
+                    double bonus = count * CalculateDamage(m_spellInfo->SpellIconID == 1736 ? 0 : 2, unitTarget) / 100.0f;
+                    // Blood Strike, Blood-Caked Strike and Obliterate store bonus*2
+                    if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x0002000000400000) ||
+                        m_spellInfo->SpellIconID == 1736)
+                        bonus /= 2.0f;
+
+                    totalDamagePercentMod += bonus;
+                }
+            }
+            break;
         }
     }
 
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index bda48c5e6..aab351129 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "8311"
+ #define REVISION_NR "8312"
 #endif // __REVISION_NR_H__