Out of all the powers in One Piece, Haki seems to be turning into an ability that is going to take Luffy, and therefore the rest of the storyline into the next "level." It has been shown time and time again to have absurdly powerful effects used by powerful people.
Offense: The most obvious. Haki can be used to do anything from unleashing an "invisible" attack that knocks weaker combatants out of the picture, strengthening attacks, manipulating objects without touching them (Rayleigh's removal of Camie's neck ring) and, arguably the most powerful and important, negate the effects that a defensive devil fruit power may have (Rayleigh harming Kizaru, Gorgan Sisters huring Luffy).
Defense: Haki users can predict their future, no other way to pu…
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