Gladiator Beast Octavius [GLAS-EN000] Secret Rare Champion Pack 4 Rimuru and his crew are

Rimuru and his crew are off to visit the demon lord Luminus in the Holy Empire of Lubelius for a music recital

and Ynarri forces in Crusade and narrative games

Each V Battle Deck includes:

by discarding 1 WATER monster to the Graveyard

for each of those monster(s) instead

Gladiator Beast Octavius [GLAS-EN000] Secret Rare Champion Pack 4 Rimuru and his crew areSet: Gladiator's Assault Card type: Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 1200 When this card is Special Summoned by the effect of a "Gladiator Beast" monster, destroy 1 face down Spell or Trap Card. At the end of your Battle Phase, if this card attacked or was attacked, return this card to your Deck unless you discard 1 card.