The One Piece OP-08 Japanese booster box, called "Two Legends," contains 24 packs of 6 cards each, with a total of 144 cards per box. Released in May 2024, this Japanese-language set introduces new leaders from the Whitebeard, Beast, and Big Mom pirates, alongside cards for characters like Silvers Rayleigh, Dr. Kureha, Dr. Hiriluk, and Wanda. The expansion focuses on the legacy of Gol D. Roger and Edward Newgate and includes a guaranteed hit, such as a Secret Rare or other alternate art cards. 
Key features
Contents: Each box includes 24 booster packs with 6 cards per pack.
Theme: "Two Legends" celebrates the epic clashes and alliances that shaped the era of Gol D. Roger, with a focus on characters from the Drum Kingdom and Zou arcs.
New cards: Introduces new leaders from the Whitebeard, Beast, and Big Mom Pirates, as well as cards like Silvers Rayleigh.
Guaranteed "hit": Each box typically contains at least one Secret Rare or alternate art card, increasing the chance of drawing valuable cards.
Target audience: The set is designed for both collectors and competitive players, offering cards that can strengthen existing decks.
Language: All cards in the box are in Japanese.