Bandai - Union Arena: One Punch Man Booster Box

Bandai - Union Arena: One Punch Man Booster Booster Box - PRE-ORDER (Releases 03/07/2025)

Union Arena is a "Common Rules Trading Card Game" that allows you to play a card game using each of your favorite characters, and you only need to learn one set of rules!

More info about the set to come! stay tuned.