One Piece Card Game: OP-12 Legacy of the Master Booster Box (Japanese Version)

Strengthen your One Piece lineup with OP-12 Legacy of the Master, a Japanese booster box built around deep bonds, new strategies, and powerful fan-favorite characters. The official product page highlights “Dark King” Rayleigh, new “Twin Wings” leader cards, and a powerful new lineup that gives the set strong appeal for both collectors and players.

According to the official One Piece Card Game product page, OP-12 released on May 31, 2025. Each pack contains 6 cards, and the set includes 127+1 total types: 6 Leader Cards, 45 Commons, 30 Uncommons, 26 Rares, 10 Super Rares, 2 Secret Rares, 6 Special Cards, and 2 Special 3rd Anniversary Cards. 

Product Details:

• Official One Piece Card Game product
• Set: OP-12 Legacy of the Master
• Language: Japanese
• Factory sealed booster box
• Release Date: May 31, 2025