Yu Gi Oh! Japanese Gladiator's Assault Booster Box. It is time to battle like champions in the newest Japanese Yugioh set, Gladiator's Assault! Fight the greatest of monsters ever in this set of 80 never-before-seen cards. Introduing the new Gladiator Beast monsters that are able to tag out after battle and replace themselves with another. Glas also follows the storyline of the GX Series featuring the chaos within Judai. Premiering even more Elemental Heroes, and the Evil Heroes of his dark side.