Over the course of One Piece's thousand chapters and episodes, Roronoa Zoro has employed many swords while in pursuit of his dream to become the World's Greatest Swordsman. Given his distinct style of using up to three swords at a time, Zoro has understandably gone through a lot of weapons, some out of necessity, and some more as an upgrade.

Besides a handful of named blades and cursed blades, Zoro has also made use of many unnoteworthy swords. That said, both kinds have served Zoro equally well in battle, proving that it is his skill that makes the difference rather than the swords themselves.

Unnamed Katanas First Seen and Used in Chapter #5

Zoro's first set of blades in the series are actually two unnamed katanas with black hilts that he uses together with the Wado Ichimonji. Both of these katanas first make an appearance in chapter #5 when Luffy steps...