[GPO] Rokushiki is a FREE Win in GPO Battle Royale

Rokushiki, Wiki

One Piece: All Known Rokushiki Abilities, Ranked

Rokushiki, Wiki

The One Piece Is Real: Fighting Styles

General & Others - Luffy and Sanji rokushiki

Rokuogan, One Piece Role-Play Wiki

Nico Robin Hana Rokushiki Combo by Fighter1Manga on DeviantArt

One Piece 1068 brings back Lucci's Rokuogan

Chapter Discussion - Rokushiki is based on Haki, Page 5

Honestly Oda probably should have just expanded on Rokushiki instead of creating Haki. He could have definitely made it to where there are techniques that allow you to hit logias and armament