The power of Haki was introduced. one piece It wasn't until chapter 597 that this ability was first properly described by Silvers Rayleigh in chapter 234. Hockey is a power that grants sensory perception, offensive and defensive abilities, and threat abilities based on human mental energy, and has reigned as the most reliable force in the world. one piece The world is now over 10 years old. With the recent appearance of King Nerona Imu on Elbaph, Eiichiro Oda has officially introduced Haki's perfect counter in the form of Omen, who Imu considers his military might.
The signs of Nero and Imu are the opposite of Haki in One Piece.
The Power of Omen was first introduced as follows: one piece Episode 1180 of Nerona Imu. This power manifests itself in the form of a special black flame that Imu uses in various ways. Omen is very similar to Haki. This is because this power is derived from the energy that exists within everyone in the One Piece world. However, there are key differences between the two.
“Maki is my military power! The power hidden within everything!” — Nerona Immu, One Piece Episode 1181
Like hockey, it can be used for both offensive and defensive purposes. Imu's Omen, also known as Maki, can be used for almost anything. The first use of the Omen occurred in 1180 when Imu unleashed a powerful fiery attack on Roronoa Zoro, knocking him out completely in the process. This force was launched at Hajrudin and Sanji. During his battle with Loki, Imu displayed incredible versatility by making Omen into a morning star, a sword, and even a shield. Imu also utilized Omen to enlarge himself in Chapter 1181, demonstrating the incredible versatility of this power.

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How Omen Parallels Haki in One Piece
To truly understand the similarities between Omen and Haki, we need to look at the original Japanese term used for the former. In Japanese, Omen is simply called Maki, and the name alone is very similar to Haki. Maki itself is made up of two words, 'Ma' and 'Ki', similar to how Haki is written as 'Ha' and 'Ki'. The 'Ki' part in these two words simply represents energy. Haki is a spiritual energy, while Maki is a demonic energy. This puts them on opposite sides of the energy system of the One Piece world.
In chapter 1181 of the manga, Eiichiro Oda officially stated that Maki's power actually exists within everyone. Once again, this is very similar to Haki, but at the opposite end. Imu confirms that Omen is his military power, a power derived from jealousy that he uses to achieve his goals. Essentially, those who have been corrupted by the Imu, through covenant or other means, can utilize the power of the Omen in a variety of ways, but thanks to the power of the Akuma no Mi, the demon Imu is the one who dominates Maki.
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All known Omen users so far are in One Piece.
Omen or Maki's power is absolutely enormous and is primarily controlled by Nerona Imu, as clearly seen in chapters 1180 and 1181 of One Piece. But Nerona Imu isn't the only Omen user. Imu's Omen can also spread to other individuals. For example, Nerona Imu gave omens to Sommers and Killingham in 1180. With the power of this omen, they are massively upgraded in terms of strength, as seen by Sommers gaining the ability to fly in the very same chapter.
Domination is the only true happiness in this world. — Nerona Immu, One Piece Episode 1181
Similarly, when Imu bestows the power of the Abyssal Covenant on the five elders, they are also granted the power of Omen, as evidenced by the cloud of black flames around their necks. Holy Knights also have some degree of Omen power, and can be further strengthened by Imu granting them additional Omen.
That Maki is simply demonic energy means that anyone affected by Imu's power is a user of that power. This means that anyone who is Domi Reversi'd in One Piece will be massively enhanced by Omen in all aspects of their power. As the story progresses, Eiichiro Oda will expand on the concept of the Omen and establish a proper balance between these two power systems.
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