Volcanic Shell [FOTB-EN009] Ultimate Rare AR2 and treat it as if

and treat it as if it was Special Summoned by the effect of a "Gladiator Beast" monster

If this card was Fusion Summoned using 2 or more "Ancient Gear Golem" and/or "Ancient Gear Golem - Ultimate Pound" as material

if you control no other monsters: You can detach 1 Xyz Material from this card

If this card is Normal or Special Summoned: You can target 1 "Hydrogeddon"

Volcanic Shell [FOTB-EN009] Ultimate Rare AR2 and treat it as ifSet: Force of the Breaker Card type: Effect Monster Rarity: Ultimate Rare Attack: 100 Defense: 0 Once per turn, while this card is in the Graveyard, you can pay 500 Life Point to add 1 "Volcanic Shell" from your Deck to your hand.