Only the best Swordsmen in One Piece can blacken theirn blades. Zoro will be able to achieve that before the end of the ...

There, Zoro traded blows with the corpse of the samurai Ryuma, who wielded another O Wazamono grade sword, Shusui. Known to be a black blade with incredible durability, Shisui became Zoro's go-to ...

Mihawk This black blade was Shuusui, one of the 21 Great Grade Swords. Shusui is said to be incredibly sturdy, much of which was down to its blackening. This blade came into Zoro's possession in ...