OP-17 The World's Strongest Warriors Japanese Booster Box

OP-17 The World's Strongest Warriors Japanese Booster Box is the 17th main expansion set for the ONE PIECE Card Game. Released in Japan on August 22, 2026, this flagship set celebrates the game's 4th anniversary. It centers around the Elbaf Arc, the legendary Rocks Pirates, and features highly anticipated artwork focusing on the God Valley incident.

📦 Box Configuration & Specifications

• Pack Contents: 6 cards per booster pack.
• Box Contents: 24 booster packs per sealed box (144 cards total).
• Language: Japanese.
• Sealed Note: Authentic Japanese One Piece boxes do not use plastic shrink-wrap; they are factory-sealed with a specialized piece of tape across the top.
• Card Pool: 131 unique card types + 4 special DON!! cards.

🏴‍☠️ Set Themes & Highlights

• The Four Emperors Assemble: The set brings back the "big head" leader card designs featuring the four original Emperors (Shanks, Big Mom, Kaido, and Whitebeard), alongside a new Monkey D. Luffy leader.
• The Worst Generation & Factions: Spotlights the Straw Hat Pirates arriving in Elbaf and introduces the fearsome Rocks D. Xebec from the Rocks Pirates as a playable leader.
• Highly Anticipated Chase Cards: Features elite premium parallels, including a Secret Rare Loki, four massive Manga Rare treatments, and a Super Leader Parallel Luffy.

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