One Piece Manga Chapter 517

The Straw Hat Pirates reach the entrance to the Grand Line, a massive mountain called Reverse Mountain. Nami, the navigator, explains that a strong current will carry their ship up the mountain and into the Grand Line. The rudder breaks on the way, but Luffy’s quick thinking saves them from crashing. They successfully enter the…

The Straw Hats star in a tokusatsu-style story. After most of the team comically defects to the villains (led by Nami and Robin), Zoro is left as the only hero. He quickly gives up and defects as well, forming the Straw Hat Pirates. The chapter ends with Law being told his help wasn’t needed.