Zoro has upgraded his swords throughout the series, starting with one named blade and eventually obtaining powerful swords like Sandai Kitetsu and Enma. While Zoro's Wado Ichimonji and Enma are ...
While strength can be achieved by training the body, Zoro can also strengthen not only himself but also his swords. Curiously enough, the concept of strengthening one's swords was introduced in ...