One Piece The World's Strongest Warriors Japanese Booster BOX

The World's Strongest Warriors (世界最強の戦士) is the seventeenth main booster set in the Japanese ONE PIECE Card Game and celebrates the game's 4th anniversary. The set brings the game to Elbaf while gathering some of the most powerful characters in the series, including the Four Emperors and the long-awaited debut of Rocks D. Xebec and the Rocks Pirates. OP-17 also introduces new premium parallel rarities, giving the anniversary release additional appeal for collectors alongside its new competitive strategies.

🗓️ Release Date: August 22, 2026

🌐 Language: Japanese

📦 Contents: 24 booster packs per box

🧩 Cards per Pack: 6

🧾 Set Size: 131 cards + 4 DON!! Cards