Robin uses Tekkai by MSJPSakura on DeviantArt

Rokushiki, Wiki

One Piece: All Known Rokushiki Abilities, Ranked

Character Profile - Rob Lucci

Rokushiki/Kami-e, OnePiece Fanon Wiki

Rokushiki, Wiki

Geppo, One Piece Role-Play Wiki

Grand Piece Online: Rokushiki Showcase

Rokushiki, Rob Lucci (One Piece)

Explore the Best Tekkai Art

Why aren't there more characters who uses Rokushiki? Like if you spend your whole life being a swimming champion only to have to eat a Devil Fruit that throws away those years