What if Rokushiki is Haki based?

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

So tekkai is basically the armament haki? : r/OnePiecePowerScaling

The Rokushiki Techniques Explained

General & Others - Luffy and Sanji rokushiki

Artur - Library of Ohara on X: Furthermore, one of the new index cards states that the training required for the acquisition of both mantra and rokushiki is akin to that used

One Piece: 8 Characters You Didn't Know Could Use Rokushiki

Rob Lucci's initial Vivre Card has been changed from Learned Haki to strengthened Haki related to Rokushiki : r/OnePiece

one piece - What skills introduced prior to the formal introduction of Haki are Busoshoku Haki based? - Anime & Manga Stack Exchange

Okama Kempo anyone? - One Piece - One Million Fans

Powers & Abilities - Who used haki and who not?

Chapter Discussion - Rokushiki is based on Haki, Page 3