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無 Mū

  • Second Tsuchikage (二代目土影, Nidaime Tsuchikage)
  • Non-Person (無人, Mujin, Viz: Null-Man)[2]
  • Mū of the Dust Release (塵遁の無, Jinton no Mū)[3]
Manga Volume #55, Naruto Chapter #515
Anime Naruto Shippūden Episode #256
Game Naruto Shippūden: Ultimate Ninja Storm 3
Appears in Anime, Manga, Game
Voice Actors
Birthdate Astrological Sign Gemini June 6 Icon_-_Search.png
Gender Gender Male Male
Status Deceased
  • Part II: 173 cm1.73 m
    5.676 ft
    68.11 in
  • Part II: 55.6 kg122.577 lb
Blood type O
Kekkei Tōta
Ninja Rank
Nature Type


(, ) was the Second Tsuchikage (二代目土影, Nidaime Tsuchikage, Literally meaning: Second Earth Shadow) of Iwagakure.


During his lifetime, Mū taught Ōnoki how to use Dust Release.[4] At some point in time, both he and Ōnoki met with Madara Uchiha, after an alliance had been formed between their respective villages. However, despite their standing, Madara boldly declared that Konohagakure remained the dominant power and as such, they should obey any orders given. This culminated in both parties engaging in battle where Mū and Ōnoki were defeated.[5]

He also had a great enmity with the Second Mizukage and the two men eventually killed each other in what would be their final confrontation.[6]


Mū was an extremely calm and collected individual, showing no signs of perturbation to his sudden reincarnation. He's also unfailingly polite, taking his time to recount the previous events to the other Kage upon their forced summoning, and referring to the one whom he both killed and in turn was killed by with an honorific title, apparently bearing no ill-will towards him.

Despite the seeming civility displayed towards his fellow Kage, Mū has demonstrated that he first and foremost prioritises the prosperity of his own village regardless of the manner in which this affluence is achieved, even reminding his disciple to take full advantage of any post-war situation to assure the dominance of Iwagakure by quickly seizing control of the resultant spoils.[7] Even seconds before his sealing he attempted to warn Ōnoki to take precaution.[8] This devious and somewhat merciless trait appears to be just one of the many reasons as to why the Second Mizukage despises him to such an extent. This under-handed tactic would later be taught to his student, which would become the reason for Iwa's bad reputation among the Five Great Shinobi Countries.



Mū's entire body is covered by intricately wrapped bandages, with only his violet-coloured eyes and nose being visible, giving him an overall mummy-like appearance. Along with this Mū wears a black headband (dark blue in the anime) with no distinguishing markings and a pair of black pants. He also doesn't wear shoes as his feet are also bandaged heavily. Due to the effects of the Summoning: Impure World Reincarnation technique, he has black sclera and white irides after Kabuto Yakushi eradicates his personality.

When he was still alive, Mū was shown to have donned what appeared to be a standard Iwagakure's flak jacket, with the village distinctive single sleeve outfit over his left arm. He also carried two swords strapped to his back which had slender handles and were also bandaged.


Muu becoming visible

Mū becoming partially visible.

Having been the Kage of his village, Mū is an immensely powerful shinobi. He appears to be both extremely knowledgeable and analytical, being able to discern the exact method used to locate his position almost immediately after detection, seemingly without any prior information concerning the technique in question. While alive he carried a pair of what resembles swords wrapped up in bandages. A true testament of his power is the fact that he was also able to kill the Second Mizukage, another Kage — albeit at the cost of his own life — also stands as a testament to his skills.[5]

His skills, especially those with the Dust Release, were such that the Allied Shinobi Forces leaders agreed that the only way to stop him was to have Ōnoki confront him on the battlefield. Mū himself declares that sheer numbers alone do not matter because of the nature of his techniques, in spite of confronting nearly the entire Fourth Division at the time. While Mū is in his split state, he is not able to use Dust Release techniques due to his power being halved.[9]



Mū is capable of becoming perfectly camouflaged with the surrounding environment. His camouflage is so good that he has become renowned as the "Non-Person" (無人, Mujin, Viz: Null-Man), a title which he gained for seemingly having neither form nor chakra, while the technique was active.[10] It is impossible to detect him by normal means and so, Mū considers anyone with the ability to sense his presence worthy of praise.[11]

Nature Transformation

File:Mu (Dust Element).jpg

Mū is one of the few people capable of using a kekkei tōta, an advanced and extremely powerful form of kekkei genkai. In particular, he possesses the Dust Release, which allows him to combine the fire, earth and wind natures to reduce his opponents to nothing more than mere dust, destroying them down to even a molecular level. Compared with fellow dust-user, Ōnoki, his power is implied to be on equal terms, as when the two initiated Dust Release: Detachment of the Primitive World Technique, the disastrous outcome although chaotic, demonstrated no evident victor in regards to strength. This may be due to the fact that Mū's power hadn't waned since his lifetime, a fact later affirmed by Ōnoki.

Other Skills

Mū has displayed a mastery in the ninjutsu field, demonstrating the capability to levitate and fly, as well as being able to split himself into two duplicates to help escape a lethal blow, but at the cost of reducing his power by half. He was also physically strong enough to lift massive rocks off of his body, even with only half of his power.[12]

Mū is also a skilled sensor-type shinobi displaying the ability to sense chakra over a distance of several kilometres, as well as to discern the similarity between the chakra belonging to close relatives such as Gaara and his father, and distinguish chakra from different populations. Furthermore, when these detection capabilities are employed in conjunction with his quick reflexes, he can avoid techniques that even other Kage find difficult to evade, as demonstrated when only he instinctively managed to elude the clutches of Gaara's sand hands and avoid Naruto's attack from behind.

Part II

Shinobi World War Arc

In preparation for the Fourth Shinobi World War, Mū was reincarnated by Kabuto Yakushi alongside three other deceased Kage to fight against the Allied Shinobi Forces. When they were mobilised, Mū was sent in the direction of the Fourth Division but as he approached their location invisibly, he is detected by Gaara — a feat which he commended.

Kage Reincarnated

Mū summons the other Kage.

Upon being noticed, Mū was forced to summon the Third Raikage, the Second Mizukage and the Fourth Kazekage. After a brief argument with the Mizukage over the manner of their deaths, Mū noted the means of their reincarnation, and searched for the Second Hokage, the technique's inventor and person he presumed was using the technique, but later informed his fellow Kage that he could only pick up the presence of someone whose chakra signature was similar to that of the Fourth Kazekage's and that, that person was backed by a large army. The Kazekage then explained that Tobirama had been dead for many years while he was alive and then declared that another also knew how to use the deceased Hokage's technique as well. Mū later notified the Mizukage that they were being controlled and thus, some of their movements were restricted, much to the latter — who wanted to kill him — and the Raikage's — who was looking forward to battling them all — dismay.

Forced to pursue the division throughout the night alongside the others, he remarked that their indecisive targets had been slowly retreating but that the opposition's movements had now altered, concluding their pursuit. When the Mizukage lamented the prospect of confronting shinobi from his village and openly cursed the one responsible for reincarnating them, even Mū shared his sentiments. He then detected two individuals approaching, who are preceded by a colossal wave of sand that bore down on the Kage, but the Fourth Kazekage swiftly counteracted this with his Gold Dust. At this point, Gaara appeared suspended above them and sculpted hands of sand to ensnare the Kage, with only Mū able to escape captivity while sensing Ōnoki's presence above them. Greeting his old pupil he noted that Ōnoki had lived a long life thanks in part to him passing down his teachings to him. Utilising the same technique to repel that of his former disciple, the converging attacks resulted in a huge crater in the middle of the battlefield, leading Ōnoki to assert that his predecessor's strength hadn't waned.

File:Mu and Onoki's Battle.png

Suspecting a shinobi alliance had been formed due to the accumulation of chakra types from different villages, Mū was even more surprised that such a merger has occurred when it was confirmed and even more so that Ōnoki had joined it. Informing his former disciple that only he could stop him, Mū reminded Ōnoki that by taking full advantage of the post-war situation, the dominance of Iwagakure could be assured. Offending the Mizukage, the Raikage and most shockingly Ōnoki with such devious tactics, Mū immediately isolated himself when the battle resumed, pursued only by his student. As the chase concluded after the pair had seemingly clashing several times, Mū declared to an exhausted Ōnoki, that his age had caught up to him and as he disappeared from view, and told him to call Gaara before he died as well. However, telling Mū not to underestimate him just yet, Ōnoki creates several rock clones.


As their battle ensues, Mū took Ōnoki by surprise from behind in mid-air, but with Gaara's timely arrival and warning, Ōnoki managed to avoid the blow but threw his back out in the process. As Mū prepared to attack them with his Dust Release, Naruto Uzumaki attempted an surprise attack with his Planetary Rasengan technique, but, sensing the attack, Mū easily evaded it. Believing his technique to be the faster of the two, only the combined efforts of both Gaara and Naruto ensure that the latter lands a hit on a shocked Mū, which sent him hurtling through a nearby rocky outcrop. Colliding with the ground below, Ōnoki swiftly moved in and weighed Mū's body down, which prevented him from moving.

File:Mu alive.png

As Mū was being sealed within Gaara's sand, he told Ōnoki that for someone who detested other villages, he worked well with them, to which Ōnoki replied that he had lived long enough to experience such a change. Just as the seal neared its completion, Mū told them "Be careful, I…" but is sealed in full before he could finish his sentence. Some time later, whilst unearthing himself from the rubble left in the wake of Naruto's devastating attack, a damaged, but regenerating Mū, chastised his former disciple for still being naive, having overlooked his body splitting while it was obscured by the prior attack. Unable to remove the seal that bound his other half, Mū was made to await Kabuto's instruction, until the preparations for "that" summoning was finished. After more time passed, Mū performed the Summoning Technique.

Narrowly avoiding the summoned coffin's lid after it was violently blown off, Mū is shocked at the figure who emerged, remarking that the individual behind their reincarnation must have a good understanding of war to summon such a person. Together the pair walked towards Gaara and the Fourth Division, where it is revealed that the one Mū summoned was Madara Uchiha. When Madara noted that all of the shinobi were wearing similarly marked ("shinobi" ()) forehead protectors, Mū informed him that an alliance had been formed in response to the on-going war. As Mū was unable to answer Madara's question about who was controlling them, Kabuto overrode Mū's consciousness and used him to talk directly with Madara. As the battle restarted, Mū narrowly avoided Gaara's attack, and attempted to form a Dust Release technique, but it soon dispersed due to his power in his split state.

File:Madara and Mu faces A and Onoki.png

Observing the ensuing conflict, Kabuto continued to speak through Mū's where he remarked upon Madara's demonstration of the Rinnegan and its power, even after the impact of two enormous meteorites. Reforming in the wake of the collision, Kabuto had Mū approach the few remaining survivors of the Alliance, whilst providing Madara with a detailed overview of current affairs. However, when the two resumed their attack, they are repelled by Tsunade and A who had just been transported to the battlefield. Recovering from A's punch, Mū was pursued by Dodai and the Hokage Guard Platoon. As Mei created a thick mist, obscuring the battlefield, Kabuto positioned Mū right in front of Madara but he was easily knocked away by a lightened A.

Once recovered, Mū continued to elude his pursuers under Kabuto's direction, as the battle between Madara and the Kage intensified. Later, with the Impure World Reincarnation being released, Mū's consciousness returns to him but only for a short while as he was enveloped in a light of sorts and began deconstructing, much to his shock, regaining his consciousness only mere moments before starting to break down and his soul returned to the afterlife.


  • Mū () can mean 'nothingness' or 'non-existence', possibly alluding to his ability to become invisible.
  • His combination of bandage-covering and the technique he uses may be referring to Griffin, the main character of "The Invisible Man" novel of H.G. Wells.


  1. Fourth Databook, page 118
  2. Chapter 525, page 1
  3. Naruto: Shippūden episode 267
  4. Naruto chapter 525, page 16
  5. 5.0 5.1 Naruto chapter 525, pages 2-3
  6. Naruto chapter 525, page 3
  7. Naruto chapter 547, pages 9-10
  8. Naruto chapter 553, page 7
  9. Naruto chapter 560, page 7
  10. Naruto chapter 525, page 1
  11. Naruto chapter 524, page 16
  12. Naruto chapter 558, page 1

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