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(穆王, Kokuō)

  • Five-Tails (五尾, Gobi)
Manga Chapter #566
Anime Naruto Shippūden Episode #165
Game Naruto Shippūden: Ultimate Ninja Storm 3
Appears in Anime, Manga and Game
Voice Actors
Kekkei Genkai

Nature Type

Kokuō (穆王, Kokuō), more commonly known as the Five-Tails (五尾, Gobi), is one of the nine tailed beasts. It was last sealed within Han from Iwagakure.


Young Biju

The young tailed beasts with the Sage of the Six Paths.

Kokuō first came into being in the waning days of the Sage of the Six Paths, who used his Creation of All Things ability to separate the Ten-Tails' chakra from its body and divide it into nine separate constructs that would come to be known as tailed beasts in order to ensure that it would never resurface after his death.[2][3] Some time after being created, the Sage sat down with all the young tailed beasts and told them that they would always be together, even when separated, and that one day they would become one entity again with different names and forms than they did. Then, when the time came, they would know what true power is.[4] Kokuō eventually fell into the possession of Iwagakure and was sealed into Han, but was captured and extracted by Akatsuki.


Kokuō seems to be a quiet and reserved individual. Though it does not speak much, Kokuō uses the rather old-fashioned "watakushi" (私) when referring to itself, causing it to come across as very polite. It also has pride as a tailed beast, being dismayed at being controlled and being used as Tobi's puppet during the Fourth Shinobi World War. After the end of the war, Kokuō declared that it wants to seclude itself in the forest, which implies it is a pacifistic individual, not wanting confrontations anymore.


Young Kokuo

A young Kokuō.

Kokuō primarily resembles a white horse, but with a dolphin's head. It has two pointed long horns and three (two in the anime) shorter horns in front.



See also: Jinchūriki Forms


Kokuō attacking Gyūki with Horn Breaking.

As a tailed beast, Kokuō possesses a great amount of chakra and can use it to create a Tailed Beast Ball. Its willpower was also incredibly strong, as it was the only tailed beast who was able to break free, albeit temporarily, of Tobi's control and attempted to attack the masked man.

Physical Prowess

Kokuō possesses great physical strength and while using its horns in combat, it has shown enough ramming-force to injure Gyūki, and knock the beast a considerable distance away.


Nature Transformation

By combining Water Release and Fire Release to create Boil Release, Kokuō is also able to increase the temperature of chakra to its boiling point.[5] This ability forms the basis of what is referred to as "steam-based ninjutsu" granting itself, or its jinchūriki overwhelming physical strength. When in use, this ability causes the jinchūriki to emit copious amounts of steam from their body.

Part II

Fourth Shinobi World War: Climax

Biju full transformation

The remaining jinchūriki transform into their tailed beasts.


Gyuki punches Kokuo

Gyūki intercepts Kokuō.


Seishin Sekai



Birth of the Ten-Tails' Jinchūriki

Biju released

Kokuō is released alongside the other tailed beasts.

Kokuō appeared alongside the other tailed beasts with the exception of Gyūki and Shukaku when the Ten-Tails looked down at Naruto. The image of the tailed beasts, along with a silhouette of the Sage of the Six Paths, drove the Ten-Tails to a fit as it evolved further. Through the combined effort of the Allied Shinobi Forces, it was later possible to pull Kokuō out of Obito, freeing it alongside with the other tailed beasts.

As Naruto in Tailed Beast Mode pinned Madara down with a tail, Kokuō and the other tailed beasts joined in and did the same to increase the damage, but the Uchiha survived their attacks and retreated to a safe distance. After he received his own right Rinnegan eye from a White Zetsu clone, Madara quickly summoned the Demonic Statue of the Outer Path from Obito's body, and used the Rinnegan to repel the tailed beasts. With the tailed beasts stunned, Madara then proceeded to chain them up and prepared to seal them back into the statue. Ultimately, Kokuō, along with the other tailed beasts, are all resealed within the Demonic Statue.

671 bijuu reunion

The tailed beasts reunite with Hagoromo and Naruto.

Later, the chakra Kokuō transferred to Naruto earlier, manifested within Naruto's subconscious along with the other tailed beasts to speak with the young ninja and the spirit of Hagoromo Ōtsutsuki. There, they voiced their shared belief that Naruto is the child of prophecy.

Kaguya Ōtsutsuki Strikes

After Madara's ambitions were cut short by Black Zetsu, who revealed to be the silent manipulator of ninja history since it was first created by Kaguya Ōtsutsuki, the black entity used Madara's body as a medium to resurrect its creator. During the battle in Kaguya's snowy-filled dimension, Kokuō used its chakra to greatly boost Naruto's offensive power, ploughing through Kaguya's defences and momentarily overwhelming her. Ultimately, Kaguya Ōtsutsuki who had taken control of Madara was defeated by Naruto Uzumaki and Sasuke Uchiha and sealed using the Six Paths — Chibaku Tensei technique. The beasts were all ejected from the statue and then summoned back to the real world by Hagoromo and the previous Kage. After the past Kage return to the after life, the tailed beasts begin discussing their plans for the future now that they are finally free, Kokūo expressing its desire to seclude itself within the forests. Sasuke however makes his plans known. Desiring to kill the current Kage and seize control of the tailed beasts for his plans of revolution in the shinobi world, he quickly accomplishes the latter with his Rinnegan. With the tailed beasts subdued by his genjutsu, Sasuke then seals them away within his Chibaku Tensei, After the battle when Sasuke declared Naruto the victor, the two dispelled the Infinite Tsukuyomi and Sasuke released Kokuō along with the other tailed beasts from their prisons.

Video Games

Although Kokuō itself is not playable, Han takes on its form in both his Ultimate attack and as his awakening form in Naruto Shippūden: Ultimate Ninja Storm 3 and Naruto Shippūden: Ultimate Ninja Storm Revolution.




  1. Fourth Databook, pages 148-151
  2. Naruto chapter 467, pages 15-16
  3. Naruto chapter 510, pages 11-12
  4. 4.0 4.1 Naruto chapter 572, pages 10-11
  5. Naruto chapter 684, page 5
  6. Naruto chapter 570, pages 8-9

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