Roronoa Zoro, the swordsman of the Straw Hat Pirates, is one of the most important characters in the overarching story of One Piece. In the climax of the Elbaf arc, Zoro continues to fight against Saint Sommers, as seen in the September 13th release of One Piece chapter 1193. In this chapter, Zoro was seen trying to master his Color of the Supreme King. But, at the same time, Eiichiro Oda, the creator of the series, took away his Conqueror's Haki control, which most fans had believed he had good control over already.
In a way, Zoro has been weakened, but at the same time, there is a proper setup for him to fully master this ability and become much stronger than ever before at the end of his battle against Saint Sommers.
Roronoa Zoro first tapped into the power of Conqueror's Haki in the Wano Country arc, specifically in One Piece chapter 1010, which was titled "The Color of the Supreme King" and was released by Eiichiro Oda on April 12, 2021, in Shonen Jump Issue 19. At the time, Zoro tapped into the power of his Asura, and Enma brought out his latent Conqueror's Haki for the very first time, unbeknownst to him. When he clashed with Kaido, Zoro managed to land a scar on his chest, not knowing where he got this power from. Zoro was then sent down to the live floor of Onigashima, where he was eventually treated by the Minks. He then fought against King, the Wildfire, one of the three right-hand men of Yonko Kaido.
Kaido: Boy, don't tell me you have Conqueror's Haki too?
Zoro: I have no idea what you're talking about! I was hoping to at least bring you down to your knees.
Kaido: You did well. This will leave a scar.
— Kaido recognizes Zoro's Supreme King Haki, One Piece Chapter #1010
In One Piece chapter 1033, which was officially released on November 29, 2021, in Shueisha's Weekly Shonen Jump Issue #52, Zoro tapped into the Color of the Supreme King once again. This time, by allowing Enma to drain as much Haki from his body as possible, Zoro inadvertently brought out full-power Conqueror's Haki and Armament Haki from his body. This allowed him to coat and infuse his sword with this powerful Color of the Supreme King. At this point, most fans believed that Roronoa Zoro had gained a significant level of mastery over Conqueror's Haki. In fact, Zoro's King of Hell style, which sees him utilize full-power Conqueror's and Armament Haki, was believed to be a showcase of his mastery over the Color of the Supreme King.
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