ONE PIECE Vol.2 "VERSUS!! Buggy Pirates"

Roronoa Zoro is nicknamed "Pirate Hunter". He crossed swords with Kabbaji, the chief of staff of the Buggy Pirates, and was outnumbered. Because he had been stabbed in the left side by the captain buggy and was wounded.

Zoro takes an unexpected action. In addition, he slashed the wound himself. "I'll tell you the difference between me and you," he says to Kabbaji, and wins.

It is a scene that conveys Zoro's strong desire to become the best swordsman in the world.