Kekkei genkai (血継限界, Literally meaning: a technique limited to inheritance by blood" or "Bloodline Limit) are abilities passed down genetically within specific clans. It's possible for a ninja to have more than one of these abilities. Kekkei genkai abilities that work via the user's eye are called dōjutsu. Other kekkei genkai include mixing one type of elemental chakra with another, creating a new one unique to the users, which is usually impossible for normal ninja.
Kekkei genkai and their related techniques cannot be taught to or copied by others. However, kekkei genkai can be given to others. Dōjutsu, or other kekkei genkai isolated to a single organ, can be transplanted into the body of another, as was done with transferring Obito's Sharingan to Kakashi. Use of these organs requires much more chakra than someone born with the kekkei genkai. Chakra elements can also be passed down to people outside of the clan, such as Yamato being subjected to DNA re-modification by Orochimaru who wanted to acquire the Wood Release kekkei genkai. However, Yamato's skill in using it is not nearly as powerful as the originator: Hashirama Senju, and the risk of such process was that Yamato was the only one of the sixty test subjects to survive.
Although kekkei genkai are usually genetically shared within a specific clan, sometimes it is unique to one person alone, and that even family relatives do not share it, such as the Wood Release and Shikotsumyaku. Yet other kekkei genkai seem to appear in individuals with no known relation, such as the Lava Release, which has appeared in ninja from Kirigakure, Iwagakure, and Kumogakure, while Magnet Release, which has appeared in ninja from both Kumogakure and Sunagakure.
List of Kekkei Genkai
Main article: Boil ReleaseBoil Release (沸遁, Futton, Viz: Vapour Style) is a combined nature transformation kekkei genkai made up of techniques that mix fire and water-based chakra to create gaseous materials in different properties and usages.
Main article: ByakuganThe Byakugan (白眼, Literally meaning: White Eye, Meaning (Viz): All Seeing White Eye) is the dōjutsu kekkei genkai of the Hyūga and Ōtsutsuki clans. Its power first appeared as a kekkei mōra alongside the Rinne Sharingan in the oldest known ancestor of the Hyūga and Ōtsutsuki clans: Kaguya Ōtsutsuki. It has become known as one of the Three Great Dōjutsu (三大瞳術, San Daidōjutsu, Literally meaning: Three Great Eye Techniques), along with the Sharingan, and the Rinnegan.
Main article: Crystal ReleaseThe Crystal Release (晶遁, Shōton, English TV: Crystal Style) is a rare and specialised field of elemental ninjutsu that can create crystal as well as manipulate already-existing crystals and crystalline structures.
Main article: Dark ReleaseThe Dark Release (冥遁, Meiton, Viz: Shade Style) is a specialised nature transformation kekkei genkai that can be used to absorb, manipulate, and release chakra taken from an opponent. Hiruko used techniques of this nature through a mark on his left hand. This mark resembles two diamonds, one overlapping the other. Chakra is absorbed through the upper square, while it is released and manipulated through the lower.
Main article: Explosion ReleaseExplosion Release (爆遁, Bakuton, Viz: Explosive Style) is a combined chakra nature transformation kekkei genkai. This chakra nature is stated to be made of the earth nature, and hinted to be made of lightning nature[Notes 1] to give the wielder the ability to utilise explosive chakra in combat, allowing them to cause explosions in objects they come into contact with.
Iburi Clan's Kekkei Genkai
Main article: Iburi Clan's Kekkei GenkaiThis unique kekkei genkai is possessed by the members of the Iburi clan, which allows them to turn their bodies, either partially or fully, into smoke to serve various purposes. While in their smoke form the user becomes impervious to damage and can use this trait to gain an opportunity in battle, for example by allowing weapons to slip through them without any effects. However, if needed, they can still interact with physical objects.
Main article: Ice ReleaseIce Release (氷遁, Hyōton, Viz: Ice Style) is the combined nature transformation kekkei genkai of the Yuki clan made up of techniques that combines wind and water-based chakra to create and manipulate ice, forming it into various structures. When the user releases their chakra, the surrounding vicinity becomes cold enough to cause snow to fall. The ice Haku creates is also extremely resistant to fire-based attacks, only melting slightly when coming into contact with Sasuke's flames.
Jūgo's Clan's Natural Energy Absorption
Main article: Jūgo's Clan's Natural Energy AbsorptionMembers of Jūgo's clan have unique enzymes which allow them to passively absorb and effectively make use of natural energy, with or without training in senjutsu. However, due to the constant intake of natural energy, they are prone to mental instability, sporadically feeling sudden and uncontrollable urges to kill. Though Kabuto, who genetically altered his DNA to obtain this trait, does not seem to suffer from this side-effect. The wielder's body can also secrete special fluids which, through means of Senjutsu chakra, allow them to transform parts of their bodies.
Kurama Clan's Kekkei Genkai
Main article: Kurama Clan's Kekkei GenkaiEvery few generations, a member of the Kurama clan will be born with an incredible talent for genjutsu. The clan member's talent in that field is such that their genjutsu is overwhelming. Furthermore, the genjutsu is so powerful that it causes the brain to believe anything that happens to the victim to the point where the genjutsu physically harms the victim's body. This fearsome ability allows the clan member to potentially kill their opponents with genjutsu.
Main article: Lava ReleaseLava Release (熔遁; 溶遁, Yōton, Viz: Corrosion Style" or "Lava Style) is a combined nature transformation kekkei genkai made up of techniques that mix fire and earth-based chakra to create volcanic materials such as lava or rubber in different properties and usages.
Main article: Magnet ReleaseMagnet Release (磁遁, Jiton, Viz: Magnet Style) is a combined nature transformation kekkei genkai suggested to be made up of techniques that mix wind and earth-based chakra to create magnetic forces in different properties and usages. Shinobi of Sunagakure and Kumogakure have possessed this kekkei genkai.
Main article: Mangekyō SharinganA Mangekyō Sharingan is distinguished from a normal Sharingan by its appearance, which changes the form of the tomoe seal. The exact design differs from user to user, though all resemble pinwheels. It is initially awakened by the trauma suffered from witnessing the death of someone close to the user. Uchiha have historically misunderstood this criteria as the user needing to be responsible for the person's death, and for that reason they developed the practice of killing their closest friends in order to gain the Mangekyō Sharingan.
Ranmaru's Kekkei Genkai
Main article: Ranmaru's Kekkei GenkaiRanmaru possessed a dōjutsu kekkei genkai which, when activated, causes his eyes to glow red in colour. It grants him abilities such as penetrative vision as well as the ability to hinder other dōjutsu such as the Byakugan which his own dōjutsu has been likened to.
Rinha Clan's Kekkei Genkai
Main article: Rinha Clan's Kekkei GenkaiThe kekkei genkai of the Rinha clan allows them to absorb a person's chakra and duplicate their appearance and memories.
Main article: RinneganThe Rinnegan (輪廻眼, Literally meaning: Saṃsāra Eye) is reputed as the most exalted eyes amongst the Three Great Dōjutsu (三大瞳術, San Daidōjutsu, Literally meaning: Three Great Eye Techniques), along with the Byakugan and the Sharingan. It originated from Kaguya Ōtsutsuki's Rinne Sharingan, and truly manifested for the first time as a kekkei mōra in her son, the Sage of the Six Paths. Its dual variant is characterised by a ripple-like pattern which spreads over the eyeball, with light purple sclerae and irides, and its singular variant has the same features, albeit containing a pattern of six tomoe.
Ryūzetsu's Kekkei Genkai
Main article: Ryūzetsu's Kekkei GenkaiThis unnamed kekkei genkai apparently allows the user to perform Reincarnation Ninjutsu as it allowed Ryūzetsu to perform the Dragon Life Reincarnation technique. It was seen only in Naruto the Movie: Blood Prison and Ryūzetsu was the only known user. Other details, such as whether it was common or rare and whether any other technique could be performed using it, are unknown.
Sakon and Ukon's Kekkei Genkai
Main article: Sakon and Ukon's Kekkei GenkaiSakon and Ukon's unnamed kekkei genkai gives them the unique ability to break their bodies down to a molecular level. The two brothers usually use this ability to share the same body but can also use it to merge with the bodies of others and destroy the host's cells from the inside. When Sakon is in need of assistance, Ukon can bring out some of his body parts to aid Sakon in blocking or attacking. Ukon's arms and legs can emerge from those of Sakon's to increase the force and quantity to his physical attacks.
Main article: Scorch ReleaseScorch Release (灼遁, Shakuton, Viz: Scorch Style) is a combined nature transformation kekkei genkai made up of techniques that mix fire and wind-based chakra to create scorching heat which capable of heating up an enemy to the point where all the liquid inside their body evaporates, killing the victim and leaving them a desiccated corpse.
Main article: SharinganThe Sharingan (写輪眼, Literally meaning: Copy Wheel Eye, Meaning (Viz): Mirror Wheel Eye) is the dōjutsu kekkei genkai of the Uchiha clan that appears selectively among its members. It is regarded as one of the Three Great Dōjutsu (三大瞳術, San Daidōjutsu, Literally meaning: Three Great Eye Techniques), the others being the Byakugan and the Rinnegan.
Main article: ShikotsumyakuShikotsumyaku (屍骨脈, Literally meaning: Dead Bone Pulse, Meaning (Viz): Macabre Bone Pulse) is a kekkei genkai which gives its wielder the ability to manipulate their own skeletal structure (their osteoblasts and osteoclasts). By infusing their calcium with chakra, they could manipulate the growth and properties of their bones to their liking. Kaguya Ōtsutsuki manifested a similar, albeit more lethal, ability to weaponise her bone structure from which Shikotsumyaku originates. This kekkei genkai is inherited into a rare few amongst Kaguya's descendants in the Kaguya clan, Kimimaro being the only other known inheritor of this power.
Main article: Steel ReleaseThe Steel Release (鋼遁, Kōton, Viz: Steel Style) is a specialised nature transformation kekkei genkai that can be used to make one's body virtually indestructible by turning it into black steel.
Main article: Storm ReleaseStorm Release (嵐遁, Ranton, Viz: Gale Style" or "Storm Style) is a combined nature transformation kekkei genkai made up of techniques that mix lightning and water-based chakra to create energy beams that can be guided towards the enemy.
Main article: Swift ReleaseThe Swift Release (迅遁, Jinton, Viz: Quick Style) is a specialised nature transformation kekkei genkai that can be used to move with instantaneous speed, granting the user an advantage over opponents with more strength than speed, such as users of Chakra Enhanced Strength. This nature therefore renders the user invulnerable against most taijutsu.
Main article: TenseiganThe Tenseigan (転生眼, Literally meaning: Reincarnation Eye) is a powerful dōjutsu utilised by the Ōtsutsuki clan. It is characterised by a blue pupil surrounded by a blue and white flower-like iris.
Main article: Wood ReleaseWood Release (木遁, Mokuton, Viz: Wood Style) is a combined nature transformation kekkei genkai originated from the Senju clan. It is made up of techniques that mix earth-based chakra in one hand and water-based chakra in the other to create wood as well as various plants, from simple seeds to even flowering trees. Wood and plants can be produced from any surface, including the user's own body, as the user's chakra is literally converted into a source of life. Wood Release Techniques (木遁の術, Mokuton no Jutsu) are commonly affiliated with the Snake seal.
The concept of special ninja techniques limited by bloodline inheritance may have been inspired in part by the works of Futaro Yamada, which strongly influenced later depictions of ninja in fiction. In particular, The Kōga Ninja Scrolls (甲賀忍法帖, Kōga Ninpōchō), published in 1959, featured a pair of warring ninja clans that, through selective breeding, had produced ninja with a variety of deformities, mutations, and special abilities, even dōjutsu.
- Kekkei genkai can be preserved through the creation of Human Puppets. This allows them to retain the special traits of the users when they were still alive.
- When a person is brought back to life via the Summoning: Impure World Reincarnation technique, they also retain any kekkei genkai they possessed before their death.
- A kekkei genkai should not be confused with hiden techniques. Hiden techniques are exclusive to a certain person or clan, but only because they have kept others from learning how to perform those techniques.
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