Despite being introduced about halfway into the series, Haki has become an indispensable part of One Piece ever since. Even in the face of broken devil fruit abilities like Gear Five, Haki has remained a deciding factor in many of One Piece's fights , even as recently as the Egghead and Elbaph Arcs.
Of the three known forms of Haki, Conqueror's Haki might just be the most intriguing, and it even seems to be taking center stage in the Final Saga. So far, One Piece has about 28 confirmed, canon Conqueror's Haki users, making it quite a rare ability.
This only makes sense given the innate nature of the power and the fact that it cannot be awakened through training. Conqueror's Haki can often be spotted in the form of black and red lightning in One Piece, as well as other visua

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