Although Rocks D. Xebec's debut changed the landscape of One Piece, the infamous pirate's story is far from over.

In fact, Oda has already revealed Zoro's next strength upgrade, and it'll be a new Haki. Zoro Didn't Know He Had Conqueror's ...

Each Straw Hat Pirate has varying strength and endurance, along with other advantages, so here's our ranking according to ...