The Wano Country Arc is the thirty-first story arc in the series and the second in the Wano Country Saga of One Piece, continuing from the Levely Arc.

The Ninja-Pirate-Mink-Samurai Alliance gather in Wano Country and prepare for the battle against the Beasts Pirates. The history of Kozuki Oden and his ties to Wano Country, Whitebeard and Gol D. Roger are revealed, and the Alliance assaults Onigashima to take down the allied forces of Kaidou and Big Mom, all while alliances shift on all sides of the siege. Meanwhile, after the events during the recent Levely, the world goes through dramatic changes.