If this card is in your hand: You can Tribute 1 other "Archfiend" monster from your hand or field; Special Summon this card. If this card is Normal or Special Summoned: You can Special Summon 1 Level 6 Fiend monster with 2500 ATK from your hand, Deck, or GY. When your opponent activates a monster effect and you control "Summoned Skull" (Quick Effect): You can negate the activation, and if you do, destroy that card. You can only use each effect of "Archfiend's Origin" once per turn.