The Masked Beast [LON-EN001] Ultra Rare 138 You can only use this

You can only use this effect of "Firewall Dragon Darkfluid - Neo Tempest Terahertz" once per turn

If this Fusion Summoned card in its owner's control leaves the field because of an opponent's card: You can destroy all monsters your opponent controls during the End Phase of this turn

Set: Scarlet & Violet: Paldea Evolved Type: Darkness Rarity: Illustration Rare Retreat cost: Colorless

Set: Scarlet & Violet: Paldea Evolved Type: Supporter Rarity: Ultra Rare

Set: Pharaoh's Servant Card type: Equip Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Pay 800 Life Points

The Masked Beast [LON-EN001] Ultra Rare 138 You can only use thisSet: Labyrinth of Nightmare Card type: Ritual Monster Rarity: Ultra Rare Attack: 3200 Defense: 1800 This monster can only be Ritual Summoned with the Ritual Spell Card, Curse of the Masked Beast. You must also offer monsters whose total Level Stars equal 8 or more as a Tribute from the field or your hand.