Product Name UNION ARENA Booster Pack: The Eminence in Shadow! [UA52BT]

16 packs per box, 16 boxes per carton
For purchases of 16 boxes or more, orders will be shipped in their original carton. If not in original carton, customers will be contacted for arrangements.

Release Date May 22, 2026 (Friday) Card Types SR (Super Rare): 10 types R (Rare): 12 types U (Uncommon): 28 types C (Common): 30 types AP (Action Point): 14 types Content "The Eminence in Shadow!" officially joins UNION ARENA! Featuring characters from Season 1 and Season 2 of the anime, including "Shadow," "Seven Shadows," and many more. Includes foil-stamped cards with signatures from the voice actors, including: Seiichiro Yamashita (Shadow), Asami Seto (Alpha), Inori Minase (Beta), Suzuko Mimori (Gamma), Fairouz Ai (Delta), Hisako Kanemoto (Epsilon), Aya Suzaki (Zeta), Rena Kondo (Epsilon), Kana Hanazawa (Alexia), Rina Hidaka (Claire), Haruka Shiraishi (Rose). Many newly drawn original illustration cards featuring characters: Shadow, Alpha, Beta, Gamma, Delta, Epsilon, Zeta, Eta, Alexia, Claire, Rose, Aurora, Beatrix. "Limited AP Card with Serial Number" campaign in effect, with a very low chance of finding a limited serial-numbered action point card.