Core/Spells: fixed and issue that was preventing Death Coil from benefitting from modifiers such as power costs

src/server/game/Spells/SpellMgr.cpp

@@ -5436,12 +5436,6 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->AttributesEx3 |= SPELL_ATTR3_NO_DONE_BONUS;
     });
 
-    // Death Coil
-    ApplySpellFix({ 47541 }, [](SpellInfo* spellInfo)
-    {
-        spellInfo->AttributesEx3 |= SPELL_ATTR3_NO_DONE_BONUS;
-    });
-
     // Light of Dawn
     ApplySpellFix({ 85222 }, [](SpellInfo* spellInfo)
     {

src/server/scripts/Spells/spell_dk.cpp

@@ -332,7 +332,7 @@ class spell_dk_death_coil : public SpellScript
             return;
 
         Unit* target = GetHitUnit();
-        int32 bp = GetEffectValue();
+        int32 bp = GetSpellInfo()->Effects[EFFECT_0].CalcValue(caster, nullptr, GetHitUnit());
         bp += CalculatePct(caster->GetTotalAttackPowerValue(BASE_ATTACK), 23);
 
         if (caster->IsFriendlyTo(target))