Armed Dragon LV7 [DR3-EN015] Ultra Rare Duel Power You can use this effect

You can use this effect of "Number 80: Rhapsody in Berserk" up to twice per turn

inflict damage to your opponent equal to half the current ATK of that monster your opponent controls

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 0 This card cannot be Special Summoned

its effect is activated

Armed Dragon LV7 [DR3-EN015] Ultra Rare Duel Power You can use this effectSet: Dark Revelation Volume 3 Card type: Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 1000 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of "Armed Dragon LV5". By sending 1 Monster Card from your hand to the Graveyard, destroy all face up monsters on your opponent's side of the field with an ATK equal to or less than the ATK of the sent monster.