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

There are 6 techniques that are the keys to Rokushiki. Despite a claim in another answer from a well informed user that none of the CP9 members are haki users, several of these techniques seem to be

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one piece - How did Spandam become the leader of CP9? - Anime & Manga Stack Exchange

What are the 3 types of Haki we have in One Piece? - Quora

one piece - What all abilities are transferred when hearts are interchanged between bodies? - Anime & Manga Stack Exchange

one piece - Haki Hardness Grades? - Anime & Manga Stack Exchange

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

Jinbe/History/During and After the Timeskip, One Piece Wiki

Haki, One Piece Fan Wiki

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

Why is Haki not mentioned as often after the Marineford Arc, even though it is used frequently by characters from that point onward? - Quora

When Did Haki First Appear In The One Piece Series?

In One Piece, how is Kizaru not the strongest character in the series? - Quora