X Ultimate Booster 1: Buddy Quest ～Adventurer VS Demon Lord～

"Buddy Quest Monsters ～Adventurer VS Demon Lord～" is the 1st X Ultimate Booster released in the Japanese format.

Features

 * Contains 80 cards (2 BR/2 Premium Rare /6 RRR/14 RR/20 R/30 U) + 6 SP.
 * Includes further support for Dungeon World and Dual cards.
 * Each pack includes 7 cards, and also there may be the foil version of any R/U/C card.
 * Premium Rare cards are signed by the voice actors.