Demise, King of Armageddon [DR04-EN155] Super Rare Fish treat this card's name as

treat this card's name as that monster's name

Set: Elemental Energy Card type: Fusion/Effect Monster Rarity: Ultimate Rare Attack: 2100 Defense: 800 "Etoile Cyber" + "Blade Skater" A Fusion SUmmon of this card can only be conducted with the above Fusion Material Monsters

Special Summon 3 Phantasmal Martyr Tokens (Fiend-Type/DARK/Level 1/ATK 0/DEF 0) in Attack Position on your side of the field

while it has no Xyz Materials: Destroy this card

Demise, King of Armageddon [DR04-EN155] Super Rare Fish treat this card's name asSet: Dark Revelation Volume 4 Card type: Ritual Effect Monster Rarity: Super Rare Attack: 2400 Defense: 2000 This card can only be Ritual Summoned with the Ritual Spell Card, "End of the World". You can pay 2000 Life Points to destroy all cards on the field except this card.