UNION ARENA BOOSTER PACK Demon Slayer: Kimetsu no Yaiba [UA05BT] ホーム PRODUCTS BOOSTER PACK UNION ARENA BOOSTER PACK Demon Slayer: Kimetsu no Yaiba [UA05BT] Release Date April 28, 2023 Contents Cards x 8 *Card types are random. *The illustration may differ somewhat from the final product. *Product details may differ from the actual product.