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

Monkey D. Luffy (Post-Timeskip), VS Battles Wiki

Chapter Discussion - Rokushiki is based on Haki, Page 6

Chapter Discussion - Rokushiki is based on Haki, Page 5

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

Geppo, One Piece Wiki

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

Chapter Discussion - Rokushiki is based on Haki, Page 6

Rokushiki and Haki Theory : r/OnePiece

Tekkai, One Piece Wiki

Chapter Discussion - Rokushiki is based on Haki, Page 5

What power is it? : r/OnePiece