18SP-JP101 Advent Skull Archfiend Common
You can Ritual Summon this card with "Contract with the Abyss". This card's name becomes "Summoned Skull" while on the field, but it is still treated as an "Archfiend" card. This face-up card cannot be destroyed by battle, except with a Ritual Monster, also it cannot be destroyed by monsters' effects, except Ritual Monsters'. If this Ritual Summoned card you control is sent to your GY by an opponent's card (by battle or card effect): You can Special Summon 1 "Summoned Skull" from your hand, Deck, or GY.