These One Piece theories are rooted in the evidence present in the series' ongoing narrative. Some may even be proven true.

Nusjuro from One Piece. Saint Ethanbaron V ... His weapon is a long katana, making him a highly skilled swordsman. Since he’s one of the Gorosei, he possesses overwhelming Haki.

Unlike Asura which utilizes Zoro’s three-swords style, however, Kenshin only uses a single katana. That’s all ... deadly ...