Roronoa Zoro has used many notable weapons and swords over the course of One Piece so far and this is everything fans know ...

Zoro needs a final power up during the Final Saga. Otherwise, he has no chance of defeating Mihawk in One Piece.

Zoro has had tremendous growth in One Piece since the Wano arc and he might be able to take down Blackbeard in an individual battle.

Ultimately, Nico Robin used a completely new form called Demonio ... do to save himself. Roronoa Zoro received a massive power-up in Wano in the form of Enma. The sword was once wielded by Kozuki ...