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Haki is a mysterious power that allows the user to utilize their own spiritual energy for various purposes.

It can be used to sense people's spiritual energy and predict their actions, give the user a protective coating of spiritual energy, and, for a certain group of "chosen ones", overpower the willpower of others.

All living beings in the world are capable of learning Haki, however, most people do not notice it or fail to awaken it.

Overview

""Haki" is a power that lies dormant in all the world's creatures... "Presence", "fighting spirit" and "intimidation"... It is not different from the things that humans can naturally sense such as these... 'The act of not doubting'. That is strength!"
—Silvers Rayleigh explaining Haki to Luffy at the start of his training.


Haki, unnamed at the time, was first seen when Shanks used it to scare off the Lord of the Coast to save Luffy when he was a child from the wrath of the Sea King. The term "Haki" was first coined and used much later when Blackbeard was commenting on Luffy's bounty in Jaya, and was hinted at during Shanks' visit with Whitebeard.

The underlying concepts of Haki were introduced during the Sabaody Archipelago and Amazon Lily Arcs.The concept was clearly explained by Rayleigh to Luffy at the start of the latter's training on Rusukaina Island. Haki is dormant in every living person, but it's rare for most people to ever awaken that ability. Intense training can awaken it, as can extreme shock, such as with Koby during the Battle of Marineford. Two known people (Aisa and Otohime) were born with the ability awakened, with no known training. Due to the fact that Haki originates from an individual's spirit and not their physical body, users are still capable of using it even if their spirit is transferred into another body. Haki can also become stronger, especially when a Haki user battles stronger opponents.

Despite their great capabilities, Haki is not limitless as it can be depleted from overuse, rendering the user unable to use it for a set period while it regenerates.

Types of Haki

Haki is separated into three categories, or "types" ( shoku?). The three types of Haki are:

  • Kenbunshoku Haki, which grants users a sixth sense of the world around them and limited precognitive abilities. Users of this Haki can sense people's presense, strength, emotions, and intentions.
  • Busoshoku Haki, which allows the user to use their own spiritual energy as armor to defend against attacks, as well as make their own attacks more potent. A person can apply the armament to a section of their body, over their entire body, and even apply it to their weapons.
    • An advanced level of Busoshoku allows the user to emit the armament a short distance without a medium.
      • A higher grade of advanced Busoshoku allows the user to make the emitted armorment flow into a targets body and destroy it from the inside out.
  • Haoshoku Haki, which grants the user the ability to overpower the will of others. This results in the victims being knocked unconscious, or becoming temporarily subservient of the Haki user. Haoshoku is a rare form of Haki that only one in several million people are born with the ability to use.

Most people who can use Haki tend to have one type that they are better at, and, as a result, focus on training and fighting with that type primarily. However, a person can improve their abilities with all the types of Haki, it just requires more work.

Each type of Haki has levels of usage, so even two proficient users might not be of equal strength. Furthermore, it is possible to use at least two types of Haki simultaneously.

Haki Users

Anime and Manga Differences

  • In the manga, those hit with Haoshoku Haki foam at the mouth after or while losing consciousness, whereas in the anime, they simply faint.
  • In the anime, use of Haoshoku and Busoshoku Haki creates a rippling or shockwave-like effect, similar to the Gura Gura no Mi, while in the manga, it is completely invisible. Also, in recent episodes, use of Haoshoku Haki causes the affected area, excluding the user, to gain a dark blue tint. However, this could just be for dramatic effect. In the One Piece Film: Z, the Haoshoku Haki's use creates a circular purple wave.
  • In the last anime episode before the time-skip, use of Busoshoku Haki as "invisible armor" was shown as a swift percussion forming a light-blue beam, similar to lightning, while in the manga, it is shown simply as an amplified impact, nothing else visible is shown.

Trivia

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