Over the course of One Piece's thousand ... some mastery over the sword during his fight against King at Onigashima. Interestingly, Enma has yet to be forged into a black blade, which means ...

In the One Piece ... Oden's swords, who passed them down to Momonosuke and Hiyori (Image via Toei Animation) Enma, also one of the 21 Great Grade Meito in the One Piece series, was forged by ...