Chapter Discussion - Rokushiki is based on Haki, Page 6

Right Lucci had to rely on mainly cutting/slash type attacks for effective purpose, while Luffy was putting a lot of stress on his body thanks to G2 at that time. If it's haki then his blunt

Chapter Discussion - Rokushiki is based on Haki, Page 5

Rokushiki is based on physical strength is actually based on a mistranslation in earlier One Piece volumes : r/OnePiece

chapter 251 : r/OnePiece

In One Piece, why do the members of CP9 learn to use the “six powers”, but not haki? - Quora

In One Piece, why do the members of CP9 learn to use the “six powers”, but not haki? - Quora

Chapter Discussion - Rokushiki is based on Haki, Page 5

Rokushiki and Haki Theory : r/OnePiece

Chapter Discussion - Rokushiki is based on Haki, Page 8

Was Rob Lucci's Rokuogan an application of the advanced Haki that Luffy is learning now? - Quora

Hasshoken, One Piece Wiki

Chapter Discussion - Rokushiki is based on Haki, Page 7

Oda might have hinted at a power system other than DFs early in the story. : r/OnePiece