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犀犬 Saiken

  • Six-Tails (六尾, Rokubi)
Manga Volume #50, Naruto Chapter #467
Anime Naruto Shippūden Episode #151
Novel The Last: Naruto the Movie
Movie The Last: Naruto the Movie
Game Naruto Shippūden: Ultimate Ninja Storm 3
Appears in Anime, Manga, Novel, Game, Movie
Voice Actors
Species Slug
Nature Type
Unique Traits

Saiken better known as the Six-Tails (六尾, Rokubi) is a tailed beast sealed within Utakata of Kirigakure. It has been captured by Nagato in the anime, then extracted and sealed by Akatsuki. It was later resealed into a resurrected Utakata during the Fourth Shinobi World War.[2]



According to Tobi, the Six-Tails first came into being in the waning days of the Sage of the Six Paths' life; to prevent the Ten-Tails' resurgence, the Sage split up its chakra and used his Creation of All Things (万物創造, Banbutsu Sōzō) ability to create nine separate, monstrous constructs of living chakra, which would become known as the tailed beasts.[3][4]

Some time after being created, the Sage of the Six Paths sat down with all the 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 as well as forms than they did then when the time came for them to understand what true power was.[5] The Six-Tails eventually fell into the possession of Kirigakure and was sealed into Utakata.

According to the anime, at some point before his appearance, Utakata's master, Harusame, tried and failed to remove the Six-Tails from within Utakata to save his student from being a living weapon for his village. Utakata, however, having not heard what his master had said to him, later came under the assumption after the incident that his master had tried to kill him. This failed removal resulted in Utakata transforming into the Six-Tails and killing Harusame.


The Six-Tails resembles a large, white, bipedal slug with stubby arms and feet. It has two prominent optical tentacles (eyes) and hole-like openings as a mouth. Its entire body is covered in a slimy substance.


File:Six-Tails Corrosive Mist.PNG

Not much is known about the Six-Tails but since it is a tailed beast, it has a great amount of chakra and it is able to use it to create the Tailed Beast Ball. It is also able to emit corrosive, alkali substances that are extremely dangerous on contact in the form of a liquid or a gas, which was able to burn through the skin of the Eight-Tails' hand. The gaseous form was able to instantly disintegrate a tree that came into contact with it.[6]

Part II

Tsuchigumo Kinjutsu Arc

In the manga, the Six-Tails' capture is not seen. In the anime, before Taka began working with Akatsuki, Akatsuki was said to have seven tailed beasts. When Taka is sent to capture the Eight-Tails, the group has only six, the seventh missing beast being the Six-Tails. Utakata's capture is the subject of its own arc, though little is actually seen of the Six-Tails outside of Utakata's transformations. Utakata is captured by the Six Paths of Pain at the end of the arc and the Six-Tails is extracted from his body, resulting in his death.

Shinobi World War Arc

File:Six,two,five,three-tails full transformation.png

After Utakata's full transformation into the Six-Tails, he attacks Kakashi and Guy, emitting a corrosive alkali from its mouth, which Kakashi warns Guy not to touch. After Guy dissipates the gas with his Morning Peacock technique, the Six-Tails prepares to attack him again. After Son Gokū is resealed into the Demonic Statue of the Outer Path, Tobi, who is intent on going all-out from this point on, forces remaining jinchūriki to transform into their respective tailed beasts.[7]

File:Bijuu dama.png

Preparing to attack the shinobi, the Six-Tails along with the other four beasts create Tailed Beast Balls. These attacks however, are deflected by Naruto and they are rebuffed by a now fully-transformed Naruto. Wasting no time in their attacks, the Six-Tails attempts to incapacitate the the Nine-Tails by swallowing it's arm rendering it immobile. The beast is however swung into the Two-Tails sending them both flying away. With this, the opposing beasts prepare a collaborative Tailed Beast Ball which is met by one from Naruto and the Nine-Tails.

As Naruto enters a deeper plain of the tailed beasts' consciousness, Saiken introduces itself to the young man. Later as the beast is freed from the chakra receiver it affirms Kurama's belief that Naruto was the person the Sage of the Six Paths had spoken about so long ago before being resealed into the Demonic Statue of the Outer Path.


  1. Fourth Databook, pages 148-151
  2. Naruto chapter 565, page 1
  3. Naruto chapter 467, pages 15-16
  4. Naruto chapter 510, pages 11-12
  5. Naruto chapter 572, pages 12-13
  6. Naruto chapter 566, page 10
  7. Naruto chapter 570, pages 8-9

Start a Discussion Discussions about Saiken

  • katsuyu vs 6 tails

    14 messages
    • If Saiken is male, we will have many baby-snails... XD
    • Sharingan91 wrote: If Saiken is male, we will have many baby-snails... XD Slugs, and they are both hermaphrodites. Meaning, they have b...
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