Zoro was the first person who accepted Luffy's invitation and joined the latter on his journey to become the Pirate King. Zoro is a very powerful fighter and he possesses all three types of Haki. Zoro was able to use Conqueror's Haki unknowingly against Kaido.
Later, in the fight against King, Zoro used Conqueror's Haki to tame Enma completely. Eventually, Zoro managed to coat all his swords in what appears to be the advanced form of Conqueror's Haki, making him one of the strongest swordsmen in the story now.
Roger. Conqueror's Haki, also known as the Haki of the Supreme King, is the rarest form of Haki that only a few people in the world of One Piece are born with. Unlike the other two Haki types, Conqueror's Haki can't be learned through training and is only possessed by those who are born with the spirit of a king.
Only a select few characters possess this incredible power. Color of the Supreme King Haki, also known as Conqueror's Haki, is exceedingly rare by One Piece standards. Zoro now has all three types of Haki, which makes him a very dangerous threat.
Zoro's kingly ambitions as a powerful Conqueror's Haki user are revealed in One Piece episode 1060.
It was formerly wielded by Kozuki Oden and was passed on to Kozuki Hiyori, his daughter, after his death. This sword was then given to Roronoa Zoro in exchange for Shusui. While the sword is certainly not a Supreme Grade sword yet, it also hasn't blackened.
Roger used advanced forms of conqueror's haki as he imbued his sword with conqueror's haki and clashed with Whitebeard. He also used advanced armament haki for more powerful sword attacks. Additionally, Roger possessed the observation haki, thus, making him the strongest haki user of all time in One Piece.
As fans know, Nami doesn't wield any form of Haki in the story so far. Haki is a power that Rayleigh described to be the manifestation of the user's spirit. Every person in the One Piece world possesses Haki, however, not everyone is able to bring this latent skill out.
So far, Sanji has not shown the ability to use the Color of the Supreme King, also called Conqueror's Haki, however, he could very well have this power.
This is to relate to his Devil Fruit ability, the Mera Mera no Mi, or the Flare Flare Fruit. As such, the orange color of Ace's burning flames is also a big indication that his color is, in fact, orange. Furthermore, even his Devil Fruit is orange in color. RELATED: One Piece: What Are The Advanced Haki Forms?
Monkey D. Luffy has mastered all three types of haki, including Kenbunshoku Haki (Observation Haki), Busoshoku Haki (Armament Haki), and Haoshoku Haki (Conqueror's Haki). He can even use several subforms of the hakis, which makes him one of the most powerful haki users in the One Piece world.
Kenbunshoku Haki, one of the three Haki types in One Piece, grants the most powerful pirates unfathomable abilities. From sensing people's morality and emotions to being able to predict movements in battle, this form of Haki allows users to tap into a sixth sense that provides impressive precognitive abilities.
In the anime, the user of Haoshoku Haki has a dark purple aura around him.
Zoro's latest power up in the Wano arc was Conqueror's Haki. He tapped into this power during his fight against King the Wildfire and was able to attain conscious control over it. He managed to coat all his swords in the Color of the Supreme King and, thanks to that, his attack powers increased several-fold.
Zoro is a very powerful fighter and he possesses all three types of Haki. Zoro was able to use Conqueror's Haki unknowingly against Kaido.
At Wano, Nami is sure to encounter some of the strongest foes in the series. Eiichiro Oda will likely give Nami the ability to use Haki when that moment arrives.
Appearance. Zoro is a tall, muscular young man with lightly tanned skin and black eyes. He always carries his three swords along with him, bundled up with a green haramaki over his right hip, allowing him to easily draw them with his left hand.
It is later shown that Monkey D. Luffy, Portgas D. Ace, Charlotte Katakuri and Yamato also possess this Haki type just like their parents and grandparents (Monkey D. Garp, Roger, Big Mom and Kaidou respectively).
Dragon is almost certainly going to be a user of Conqueror's Haki as well just like his son. In Marineford, Luffy's Conqueror's Haki was attributed to Monkey D. Dragon, meaning he is already implied to be its user despite not having used it so far. In the future, fans will certainly see him make use of this ability.
Shanks and Zoro are Supreme Kings, thus Mihawk has to be one as well. At the moment, it is yet to be confirmed if Mihawk possesses the Conqueror's Haki. However, it is very likely that he does, both in the basic version and the advanced one.
Busoshoku is perhaps Luffy's most used Haki as he commonly mixes it with his Devil Fruit abilities to increase his offensive and defensive potential.
One Piece's weakest Conqueror's Haki user is undoubtedly Eustass Kid. He's shown no signs of training or skill with the technique, as well as showing no signs of Advanced Conqueror's Haki. While it's likely he eventually becomes more skillful with it, Kid currently ranks as the weakest user of the form in the series.
Garp Is Among The True Elite Of The One Piece World
However, the reveal that he has Conqueror's Haki comes as a surprise, as this power usually belongs to individuals with extreme ambitions, known as Supreme Rulers.