Tekkai - Rokushiki, Wiki

Is Rokushiki a fighting style? If it is, does Luffy use it? - Quora

Rokushiki, Wiki

One Piece Gold - Rob Lucci's vivre card said that: The training required for the acquisition of rokushiki is akin to that used for acquiring haki. Akin = in the family Rokushiki

Could Mihawk or Shanks Know Rokushiki? : r/OnePiecePowerScaling

Alternative Fighting Style

Rokushiki/Kami-e, OnePiece Fanon Wiki

ROKUSHIKI: O estilo de luta da Cipher Pol e da Marinha

Rokushiki

Character Profile - Jyabura

Kami-e, One Piece Role-Play Wiki