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零尾 Reibi
Movie Naruto Shippūden the Movie: Bonds
Appears in Movie
Species Leech
Unique Traits

The Zero-Tails (零尾, Reibi) is a malevolent spirit, created by the dark thoughts and feelings of the downtrodden people, sealed within the Land of the Sky.


The Zero-Tails primarily resembles a dark purple leech with a serpent-like body. On its face, it wears a blank white coloured Noh mask that has the kanji for "zero" (, rei) on it, which is tan in colour and five red hair-like strands sprouting from it four at the top and one at the bottom. The Zero-Tails showed to be capable of distorting its mask to resemble expressions. It also has a mouth that can open very wide, and it contains large molars.


The Zero-Tails using Shadow Arms.

Like Kurama, the Zero-Tails has the ability to sense negative emotions, which it uses to seek out and possess anyone who is emotionally unstable. Afterwards, it begins to feed upon the darkness within one's heart and allows the spirit to create dark chakra (闇のチャクラ, yami no chakura). The dark chakra produced by the Zero-Tails grants its host a great source of power equal to its targets darkness , giving them access to high-level techniques without needing to form hand seals while negating any potential drawbacks those techniques may otherwise bring, as well as powering up the entire floating fortress. So long as there is darkness in one's heart within the Zero-Tails' vicinity, it can continuously produce dark chakra at an unlimited rate. However, as with normal chakra, it requires proper control to use beneficially, and a disruption in the control flow can cause severe backlash that can ruin the user's body, as Shinnō heavily deteriorated when Sasuke Uchiha struck his tenketsu.

Along with its ability to detect negative emotions, it also appears to have the ability to read the hearts of others, seeing as it saw Naruto's urge to rescue Sasuke, and his pain when he was unable to bring him back.

The Zero-Tails is able to generate many arms from its body, which can extend to great lengths, as well as being able to instantly reattach itself whenever it lost a part of its body, even its head.

Plot Overview

The remnants of the Land of the Sky used the Zero-Tails to discretely create enough dark chakra to power their ultimate weapon, Ancor Vantian. This dark chakra was also personally used by Shinnō, an agent of the Land of the Sky and the man who orchestrated the revival of the Sky ninja forces. He originally had Amaru's village attacked in order to have her fall into despair, in which the Zero-Tails can then take advantage and possess her, in order to gain more dark chakra, but when she overcame her sorrows with Naruto Uzumaki's help, the beast left her body and ended up in Ancor Vantian. When Shinnō was weakened by Sasuke Uchiha, he fused with the Zero-Tails in order to gain more power, but when Sasuke destroyed the tablet that restrained the beast and Naruto dealing the death blow to it, the beast went berserk and destroyed the entire sky fortress, killing all the soldiers aboard. What happened to it afterwards is unknown, but with it still on board of the fortress that Naruto eventually destroyed, the Zero-Tails may have been destroyed.


  • The Zero-Tails bears some resemblance to the spirit No-Face, a character in Hayao Miyazaki's Spirited Away.
  • Despite the beast referring to itself as Zero-Tails and Shinnō referring to it as a tailed beast, it is not really one of the original tailed beasts due to the fact that it was not born from the Ten-Tails.[1] Also, when the Zero-Tails made to intrude on Naruto's mindscape, Kurama responded most violently.
  • In the Japanese version, it uses "ware" () when referring to itself.


  • (To Naruto) "Show me the darkness in your heart."


  1. Naruto chapter 467, pages 14-16
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