Shusui is yet another one of the 21 Great Grade Swords to fall into Zoro's possession in One Piece. The blade once belonged to Ryuma, the legendary samurai of Wano, and is regarded as a national ...

Ryuuma's named sword, Shusui, is Wano's national treasure. Ryuuma also has a Black Blade, and along with Mihawk, is the only character we've seen that has transformed his weapon into one.

Yamato's cover story hints at her new pirate crew. Yamato will be huge support for Luffy in One Piece's Final Saga.