Union Arena - That Time I Got Reincarnated As A Slime Special Booster Box

-The hit anime That Time I Got Reincarnated as a Slime joins UNION ARENA, arriving as the first Special Booster Pack for the English release!

-It brings the Japanese version Vol. 1 and 2 together in one large product, with nearly 200 card types featuring popular characters from Seasons 1 to 3!

-Includes North America exclusive foil-stamped autograph cards and other newly designed cards!

-A limited number of North America exclusive handwritten autograph AP card is also included at an extremely rare pull rate!