End of the World
Ritual SpellThis card is used to Ritual Summon "Ruin, Queen of Oblivion" or "Demise, King of Armageddon". You must also Tribute monsters from your hand or field whose total Levels exactly equal the Level of the Ritual Monster you Ritual Summon.
End of the World Ruler
Level 10 DARK/Fiend Ritual Effect3000 ATK / 2900 DEF
You can Ritual Summon this card with an "End of the World" card. This card's name becomes "Demise, King of Armageddon" while in the hand or field. You can only use each of the following effects of "End of the World Ruler" once per turn. You can reveal this card in your hand, pay 2000 LP, and banish 1 Ritual Spell from your Deck; apply that card's activation effect that Ritual Summons a monster. You can pay 2000 LP; destroy as many other cards on the field as possible, then this card gains 2900 ATK.