Union Arena

That Time I Got Reincarnated as a Slime - Booster Box

Set

UE20BT: That Time I Got Reincarnated as a Slime

Product

Booster box

Release

2026-06-26

MSRP

—

Best now

$83.99

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. With nearly 200 cards featuring popular characters from Seasons 1 to 3, including Rimuru, Milim, Shizue, Shion, Benimaru, and Shuna, this is a dream item that lets players start building a variety of decks right away. Features a wide range of North America exclusive foil-stamped autograph cards and newly designed cards. Alongside charming newly illustrated artwork, all *** and ** cards include foil-stamped autographs, offering a truly luxurious finish that collectors will find irresistible. In addition, numerous new designs exclusive to North America…

Updated 2026-10-01 09:53 UTC