What if Rokushiki is Haki based?

Chapter Discussion - Rokushiki is based on Haki, Page 6

Rokushiki Robin UPDATE 12-31-16 (See below) by Shinjojin on DeviantArt

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

Chapter Discussion - Rokushiki is based on Haki, Page 8

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

One Piece Chapter 1018: Jinbe vs. Who's Who, Page 23

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

What is Conqueror's Haki? What would happen if Luffy had awakened it before his battle with Kaido? - Quora

Chapter Discussion - Rokushiki is based on Haki, Page 7

Rokushiki and Haki THEORY : r/WildAnimeTheories

What is Conqueror's Haki? What would happen if Luffy had awakened it before his battle with Kaido? - Quora

Soru, One Piece Role-Play Wiki

One Piece: Rokushiki Explained - How Strong Was Rob Lucci & CP9? (The Six Powers)

Chapter Discussion - Rokushiki is based on Haki, Page 5