Each sealed Japanese Black Bolt Booster Box contains 20 booster packs containing 7 random cards each.
![One Piece Card Game: Emperors In The New World Booster Box [OP-09]](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988574/one-piece-card-game-emperors-in-the-new-world-booster-box-op-09.webp)
