D/D/D Stone King Darius

Effect

2 Level 3 Fiend monsters Once per turn (Quick Effect): You can detach 1 material from this card, then target 1 "Dark Contract" card you control; destroy it, and if you do, draw 1 card. If this card battles an opponent's monster, during damage calculation (Quick Effect): You can detach 1 material from this card; make this card unable to be destroyed by that battle, destroy the opponent's monster that battled it after damage calculation, and if you do, inflict 500 damage to your opponent.