Luffy was born with the power of Supreme King Haki. He awakened this power slightly before the timeskip, and then gained control over it after his training with Rayleigh. Luffy then manifested ...

Of course, the first one is Luffy. Luffy showcased his ability to utilize Conqueror's Haki before the timeskip. He was then trained by Rayleigh in the ways of Haki, and he managed to gain basic ...

The tumultuous events in the Egghaed arc showcases how haki is central to defeating formidable enemies on the Grand Line.

One Piece fans know exactly why Luffy shut his eyes. Rayleigh promised the boy his Haki would reach new levels after fighting tough opponents, so the Straw Hat decided it was time to test the theory.

With One Piece in the final saga, Luffy is in desperate need of a power-up and with the recent hint by Oda, it looks like ...

Rayleigh explains to Luffy about Haki, demonstrates for him on a wild giant elephant. Show more Luffy and Rayleigh say goodbye to Jinbe and go to Rusukaina Island, where Luffy will be trained ...

The two-year timeskip saw him strengthen tremendously, and thanks to help from Rayleigh ... I can't use Haki for 10 minutes! – Luffy The point is that in terms of raw strength, Gear 4 is ...

Luffy, Jinbe, and Rayleigh arrive in Marineford on a warship ... Coby learns he has obtained Haki; Aokiji and Smoker discuss Smoker’s request to be transferred to Base G5 in the New World ...

and one that many followers of the series have is about the most powerful haki user of all. Will Luffy be able to reach that level? Considering that the protagonist is the second coming of Joy Boy ...

Luffy and Rayleigh as seen in the anime (Image via Toei ... and learned to control his Haki by going through extreme measures. This trained him enough such that he stood unfazed against the ...