In the One Piece manga and anime series, observation haki, also referred to as the Color of Observation, is one of the three forms of haki. It is a sixth sense that enables the user to feel the presence of others even when they are far away or out of sight. In addition, Observation Haki provides a user with certain precognitive powers that let them foresee their opponents’ moves and attacks and perceive their intents.
The most widespread type of Haki is observation, yet it’s also the hardest to perfect. In the One Piece universe, observation haki has only been completely mastered by a select few people. A potent skill with several applications is observation haki. Any pirate who wants to live and prosper in the New World must possess this skill.
7 Strongest Observation Haki Users in the One Piece World
1. Prime Silvers Rayleigh
One of the most formidable pirates in the world is Rayleigh, a former first mate of the Roger Pirates. All three varieties of Haki, including Observation Haki, are under his control. He can detect anybody trying to approach him from behind because of the strength of his haki. Moreover, during his prime, he was one of the strongest pirates to ever sail the Grand Line.
2. Kaido
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Kaido possesses a very potent Observation Haki. He can sense the presence of people who are trying to sneak up on him, even if they are using covert techniques. He also can foresee his adversary’s moves, which offers him a considerable tactical edge.
Kaido’s Observation Haki is so powerful that he was able to dodge Luffy’s Snakeman attacks, which are some of the fastest attacks in the series. The fact that he could feel Luffy’s presence even when he was in his Gear Fourth form proves the level of Kaido’s haki and it even gave him a notable boost.
3. Charlotte Katakuri
Katakuri is the second son of Big Mom and one of the Four Sweet Commanders of the Big Mom Pirates. He has the ability to predict the future and is one of the series’ most powerful Observation Haki users. He has a powerful advantage in battle thanks to his ability, known as Future Sight, which allows him to foresee his opponent’s moves more than a few seconds in advance.
4. Monkey D. Luffy
The main character of One Piece and the leader of the Straw Hat Pirates is Luffy. His Observation Haki has advanced to a very high degree, giving him the ability to perceive people’s feelings, forecast their moves, and even glimpse the future. However, he can only see a few seconds in the future because his Future Sight is not as evolved as Katakuri’s. But during their fight, Luffy was able to upgrade his Observation Haki to its advanced form.
5. Shanks
Shanks is one of the Four Emperors of the Sea and one of the strongest characters in the One Piece world. Observation Haki is among the three varieties of Haki that he is a master at. Because of how strong his Observation Haki is, he has acquired the moniker “Killer of Observation Haki”. It is one of his strongest weapons and it also makes him one of the One Piece universe’s most hazardous foes.
Shanks’ Observation Haki is so strong that he can even regulate it, stopping others from using his extraordinary sensory talents or his presence to predict the future. This technique is famously known as Observation Killing and so far, only Shanks has been able to use this technique.
6. Dracule Mihawk
Mihawk is the One Piece franchise’s strongest swordsman. He truly possesses a unique grasp of the Observation Haki. Mihawk has proven several times that he is a master in Observation Haki. He was also able to track Luffy’s high-speed Gear 2 movements and strike with extreme precision, which was something no one else could do throughout the Marineford arc.
Mihawk’s Observation Haki is also one of the reasons why he is considered the world’s strongest swordsman. He has a substantial tactical edge in warfare thanks to his ability to anticipate his adversary’s movements.
7. Fujitora
The Marines’ blind Admiral, Admiral Fujitora is skilled enough in Observation Haki to be able to feel the presence of anybody around, even if they are using stealth tactics. As he completely relies on his instincts and his haki to win a fight, he can be a strong opponent as he has advanced observation and armament haki. Moreover, his Observation Haki provides him with a unique perspective on the world and a huge advantage in most circumstances.
