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The Shinju (神樹, God-Tree), more commonly referred to as the Ten-Tails (十尾, Jūbi), is the original, primordial tailed beast and deity of the Naruto universe. The beast is considered to be the progenitor of the world as well as a signal of the beginning of the end of the world, should it ever be revived. All nine of the tailed beasts are but portions of chakra divided from the Ten-Tails.
Obito Uchiha's ultimate goal, the Eye of the Moon Plan, was to capture and merge all nine of the tailed beasts back into the Ten-Tails, and become its jinchūriki to cast the reflection of his Sharingan on the moon, casting a genjutsu known as the Infinite Tsukuyomi which would have put the entire world under his control. The beast is revived during the Fourth Shinobi World War, albeit in an incomplete state.
Because the beast's body is the Demonic Statue of the Other Path, their physical characteristics are very similar, with a few small differences. The beast is a giant, humanoid entity, unlike any of the tailed beasts. When first summoned, as the Demonic Statue, it burst out from the ground, with only its upper torso and arms visible. While in the shell stage of the Statue, nine slots for its (normally closed) eyes are present in the blindfold it wears. In these appearances its arms are also bound in shackles and it has a bit in its mouth.
When it was fully seen after being summoned by Obito, it is seemingly wearing some form of robe, and when seen in Obito's hideout, its ankles also appeared to be bound in shackles. The long protrusion of chakra amplifying metal from when it connected to Nagato is also present coming from its midsection resembling an umbilical cord. When summoned into battle the Statue form is not bound by restraints.
When revived in its incomplete form by Obito, it still looks exactly as it would fully revived, as only its power is effected by incompleteness. In beast form, Datara can stand either on two legs, like in it's statue form, or on all fours, much like Kurama. It has ten tails, as its name may suggest, however, its tails take on a unique form; five tails each branch out from a single starting point on both side for a grand total of ten. Its head also seems to have many spiked protrusions. Datara has a single unique eye that seems to combine the traits of the Sharingan and the Rinnegan.
Datara is a tremendous demon and a harbinger of mass destruction, however, it has a completely opposite personality as it's counterparts, the tailed beasts. At first, it is seemingly insane; capable of nothing more than roaring and destroying everything that is within its line of sight. Particularly in Statue form, it doesn't have any conceivable emotions or thought patterns.
Centuries before the founding of the hidden villages, the Sage of the Six Paths saved the world from Datara. He managed to subdue the beast and sealed it within his own body, becoming the first jinchūriki. However, this offered merely a temporary solution to the menace: in the event of his death, the seal would dissolve and Datara would once again be unleashed upon the world. Knowing this, the Sage searched for a more permanent solution.
Ultimately, the Sage succeeded by using his Creation of All Things ability to separate Datara's chakra from its body and divide it into nine separate constructs that would later become known as "tailed beasts", scattering them throughout the world. As a final precaution, using Chibaku Tensei, the Sage entombed the physical remains of Datara within a colossal stone prison and hurled it into the heavens, creating the moon. The astonishing feat of not only successfully sealing Datara, but also suppressing it, made the Sage a deified hero throughout the shinobi world.
Not long after the founding of Konohagakure, Hashirama Senju began handing out tailed beasts to the stronger nations as a sign of peace. Realizing that the Land of Mountains would be absorbed by these nations if a beast wasn't obtained, the Second Mazuka began plotting Datara's revival, however, his attempts were in vain.
In the legends of the Lost Lands, Datara is described as being wolf-like, and played a pivotal role in the continent's creation.
As the fusion of all nine tailed beasts, Datara is said to possess massive and overwhelmingly foul chakra that is potent enough to bring total despair and destruction to the world. According to Kurama, not only is Datara the source of all chakra, but is also the progenitor of everything that exists in this world. Kurama stated that it was a "god" that created countries and had the power to swallow oceans, split the land, and carry mountains.
In addition, Kurama admitted that it alone wouldn't even stand a chance against Datara in its fully revived state, and stated that the Sage feared that its revival would result in the end of the world. As a tailed beast, it is presumably able to create a Tailed Beast Ball. Because the nine tailed beasts are merely by-products of Datara, it is presumed that Datara has all their abilities at its disposal.
Datara was shown having a single unique eye, but what it is or if it is a unique dōjutsu is unknown. It possesses the physical characteristics of both the Sharingan and the Rinnegan. It seems to allow Datara access to Rinnegan techniques, as it can use the chakra chains of the Outer Path from its mouth, suggesting that it may be able to use the Outer Path itself.
The eye's design is also the hypothetical design of the Infinite Tsukuyomi, an ability of the Sharingan, meaning that it may be able to cast genjutsu of titanic proportions when used properly, as suggested by both Madara Uchiha and Obito Uchiha. It is unknown if it grants Datara other Sharingan and Rinnegan powers.
As the originator of all chakra, it is safe to assume that Datara possess a large amount of control of nature transformation. Because it possesses the power of all nine tailed beasts, it shares Shukaku's control over wind, Matatabi's mastery of fire, Isobu's command of water, and Son Gokū's unique usage of Lava Release, meaning that it could also use earth.
In its Statue form, Datara displayed many additional abilities and techniques. Datara is able to emit dragon-like forms of energy from its mouth. When these dragons come into contact with ordinary humans, the humans' souls are ripped from their bodies, killing them. When in Statue form, and these dragons surround a jinchūriki or a tailed beast, the tailed beast's chakra is gathered to the Statue's mouth and stored inside for future use or as a means to Datara's revival.
As evident from his enormous size, Datara possesses great strength, enough to clash with the likes of Chōza and Chōji Akimichi in their colossal forms. It was also shown to be durable enough to take one of Chōji's Butterfly Bullet Bombing punches without even being pushed back, and stop Kitsuchi's Earth Release: Sandwich Technique, just by outstretching its arms. Datara has also displayed a high level of agility despite its massive size, as it could leap tremendous distances. It was capable of creating shock waves that can devastate an entire battlefield, and from the protrusions on its back, launch energy blasts.
When Datara was first revived, it went through a series of transformations in order to regain its true form and power. In its larval form, it was still fast enough to move so that both Kurama and Gyūki couldn't read its movements. It also possessed enough physical strength to throw both tailed beasts with little difficulty. Even in this form, it could flick a full-powered Tailed Beast Ball, from Gyūki, away with one finger. It is also immensely durable, being able to take a double Tailed Beast Ball from both Naruto and Bee, transformed into their beats, without even being fazed.
- Daidarabotchi (デイダラボッチ, Daidarabocchi; Literally meaning "Giant") was a yōkai of titanic proportions in Japanese mythology. Kurama's explanation of how powerful the Ten-Tails is reflects Daidarabotchi's role in the formation of Japan's wilderness, such as the two peaks of Mount Tsukuba, according to Japanese myth
- The name "Datara" may refer to Ippon-datara (一本ダタラ; Literally meaning "One-Legged Blacksmith"), a one-eyed, one-legged blacksmith said to live deep in the mountains of Kumano. Myths vary on his nature as a yōkai or the fallen deity Ameno-me-Hitotsu. Either way, the legends say of Ippon-datara's ability to forge living things from metal that makes another reference to the Ten-Tails as the progenitor of the world.
- The Ten-Tails can be revived without fully collecting all nine tailed-beasts, having a fraction of the chakra of which is enough to revive it in an incomplete form.
- While the Ten-Tailed Beast has only existed in the manga for just about a year, the Ten Tailed Beast was initially created by User:Ten Tailed Fox as his very first creation on Naruto Fanon Wiki back in October of 2008, then under the name of the Ten Tailed Fox, from which his username originated.
- The story of the God Tree bearing the forbidden fruit is very similar to the story of the Tree of the knowledge of good and evil in Abrahamic religions, where Adam and Eve, the first humans, ate the forbidden fruit despite being told otherwise. Ultimately, while becoming wiser, it lead to their downfall by incurring the wrath of God and for disobeying Him. He forever cursed the two and their descendants. After their father Adam's passing, his eldest son, Cain, would fight his younger brother, Abel, in anger and jealousy, which alludes to the struggle between the sons of the Sage of the Six Paths.