One Piece Card Game – OP-17: The World’s Strongest Warriors Booster Box [Japanese]

Enter the legendary land of Elbaf with the One Piece Card Game – OP-17: The World’s Strongest Warriors Booster Box [Japanese], the 17th main booster expansion for the One Piece Card Game.

The World’s Strongest Warriors [OP-17] brings the story of One Piece into the Elbaf Arc, introducing powerful new Leaders, characters from the Kingdom of Giants, fresh strategies, and premium collectible cards featuring some of the strongest warriors in the One Piece universe.

Headlined by characters including Monkey D. Luffy and Loki, OP-17 brings the Straw Hat Crew to Elbaf while introducing new cards designed to strengthen a wide variety of existing decks.

Each Japanese booster box contains 24 booster packs with 6 cards per pack, giving collectors and players 144 cards across a complete sealed booster box.

Whether you’re chasing Secret Rares and alternate artwork, building a new OP-17 deck, collecting Japanese One Piece cards, or adding the latest main-series booster box to your sealed collection, OP-17: The World’s Strongest Warriors is a major One Piece Card Game release for 2026.

Also Known As

Collectors and players may also know this set as:

• OP-17
• OP17
• The World’s Strongest Warriors
• World’s Strongest Warriors
• One Piece OP-17 Japanese
• OP-17 Japanese Booster Box
• One Piece Elbaf Set
• Elbaf Booster Box

All refer to the Japanese-language release of One Piece Card Game OP-17: The World’s Strongest Warriors.

Product Details

• Game: One Piece Card Game
• Set Name: The World’s Strongest Warriors
• Set Code: OP-17
• Language: Japanese
• Region: Japan
• Product Type: Booster Box
• Condition: Factory Sealed
• Manufacturer: Bandai