Core/Spells: initial work on Soulburn Mechanics

* todo: finish Soulburn: Seed of Corruption mechanic

src/server/game/Spells/SpellMgr.cpp

@@ -5188,6 +5188,13 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->Effects[EFFECT_0].TargetA = SpellImplicitTargetInfo(TARGET_UNIT_CASTER);
     });
 
+    // Soulburn: Seed of Corruption
+    ApplySpellFix({ 86664 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->Effects[EFFECT_0].Effect = SPELL_EFFECT_APPLY_AURA;
+        spellInfo->Effects[EFFECT_0].ApplyAuraName = SPELL_AURA_DUMMY;
+    });
+
     for (uint32 i = 0; i < GetSpellInfoStoreSize(); ++i)
     {
         SpellInfo* spellInfo = mSpellInfoMap[i];