Demise, Supreme King of Armageddon [OP08-EN005] Super Rare Insect Set: Hidden Summoners Card type:

Set: Hidden Summoners Card type: Ritual/Effect Monster Rarity: Secret Rare Attack: 3000 Defense: 1000 You can Ritual Summon this card with "Rebirth of Nephthys"

Set: Advent Calendar 2018 Card type: Effect Monster Rarity: Super Rare Attack: 500 Defense: 1400 Once per turn: You can Tribute 1 face-up Plant monster

During your Main Phase: you can activate this effect

or a "Magician" Pendulum Monster

Demise, Supreme King of Armageddon [OP08-EN005] Super Rare Insect Set: Hidden Summoners Card type:Set: OTS Tournament Pack 8 Card type: Ritual Effect Monster Rarity: Super Rare Attack: 3000 Defense: 3000 You can Ritual Summon this card with "Cycle of the World". This card's name becomes "Demise, King of Armageddon" while in the hand or on the field. While this Ritual Summoned card is on the field, your Ritual Monsters cannot be destroyed by battle. If all monsters used to Ritual Summon this card were Ritual Monsters, you do not pay LP to activate