I have my limmits on the Doujutsus (blood-line limmits) so here they are sad PM to get them)(Fist come first serve)
UCHIHA
No one can have the Mangekyou Sharingan unless they actually roleplay the death of the friend. Ex Kakashi's: Have one of your team mates die and you feel it is your fault, or Itachi's: Kill your best friend.
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Sharingan is the blood inheritance limit of the Uchiha Clan. The Uchiha are said to be descendants of the Hyuuga, with the Byakugan changing into the Sharingan over time. This doujutsu (eye skill) gives one the ability to read Genjutsu, Taijutsu and Ninjutsu and then defeat it. As such, the clan member can view a technique being performed and almost instantly memorize the movements required to be able to complete it, including the needed chakra moldings and seals used. However the clan member cannot copy techniques that are unique to another bloodline and the clan member must have a body capable of meeting the chakra and physical requirements to do the jutsu. This rarely stops the clan member though, as such stressful situations often push their limits farther and allow them to harness their full potential.
The Uchiha clan member is not granted the Sharingan at birth; it is only activated later in life, typically during a time of emotional stress in the heat of battle. The Sharingan itself can be transferred to another non-Uchiha by a medical ninja, such as happened with Leaf ninja Uchiha Obito to his teammate Hatake Kakashi. Because his body was not born to carry the Sharingan, the eye is always activated and it burns Kakashi's chakra when used. To lessen the impact of the Sharingan on Kakashi's body, he normally keeps the eye hidden and out of use. Also of note, is the fact Kakashi, a non-Uchiha, was able to advance the Sharingan from two tomoe to three tomoe after gaining the eye.
The Sharingan itself contains three tomoe (comma). A higher mastery of the Sharingan can be seen in the creation of a new tomoe in the eye, with three tomoe being the typical highest form of the eye. The rare Mangekyou form is a unique evolution of the Sharingan beyond the three tomoe form, please see its entry for more information. An eye possessing two tomoe can allow the Uchiha clan member to track the movement of an opponent and do some minor copying of an opponents attack. For avoiding incoming attacks, the Uchiha's speed and agility will greatly control whether they can move to avoid it. However, three tomoe will greatly help in this area.
Two tomoe will also allow the ninja to pierce Genjutsu and see the surrounding reality for what it really is. It can also allow the member to pierce another’s body and see their chakra. While the eye is not refined enough to see the tenketsu and chakra circulatory system like the Byakugan, it can view the movement and flow of chakra. This can help them tell if a person is trapped in a Genjutsu, or if an attacker is a real threat or merely a bunshin.
An eye containing three tomoe will allow the ninja to see the image of an attacker’s next move from the slightest muscle tension in their body. This prevents wasteful movement and allows the Uchiha clan member to conserve much needed chakra in battle. It allows them to synchronize their movement to strike at an area moments before their opponent is even in that spot, essentially allowing them to strike out and hit their opponent before they're even there.
Three tomoe also grants the Uchiha the ability to do Genjutsu and hypnosis after locking eyes with an enemy. This can be used to cause their opponent to do an attack of the Uchiha's choosing. This hypnosis can also be used as a Genjutsu counter, which is the ability to turn a Genjutsu spell back upon the original caster without the requirement of forming any handseals.
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HYUUGA
Byakugan is the blood inheritance limit of the Hyuuga Clan. The Hyuuga clan was one of the founding noble families of Leaf village. The clan itself is said to be the ancestors of the Uchiha clan who possess the bloodline of the Sharingan eye. When the "Byakugan" is activated, the clan member gains an extra-sensory perception, which gives them penetrating sight and telescopic vision. This allows them to see the tenketsu; the internal chakra coils system 361 pressure points. This vision also grants the member a near 360° view of their surroundings, the higher the skill of the clan member, the further the distance from which they can sense incoming attacks. Unfortunately the vision does have a weakness, a small blind spot that extends outwards from the vertebra of the upper back.
The clan uses this ability in conjunction with their own chakra creating the Juuken (gentle fist) fighting style. The clan member can use their fingers or palms to emit chakra to flow into their opponents body's at the tenketsu points. When the hand draws close enough to strike, the clan member can stop or increase their opponent’s chakra flow. The internal chakra coils which spread throughout the body also wrap around the internal chakra producing organs. So if the internal coils are attacked, it also damages these internal organs. Because a ninja can not train their internal body, such damage can be a critical hit for even a highly skilled ninja. The tenketsu serve as the connectors and exit points for the chakra pathways. So when they are stopped by the Hyuuga clan member, the ninja greatly loses his or her ability to utilize their chakra for jutsu.
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HAKU CLAN- MANIPULATION OF ICE
This unnamed Ice Style ability is the blood inheritance limit of the Clan Haku hailed from in the Water Country. This unique Ice style is formed through Haku's simultaneous usage of the Water and Wind elemental styles. The citizens of the Water Country blamed the bloodline clans for the constant wars and strife. They turned against the bloodlines and murdered many of them. Clan members fled into hiding and tried to avoid using their bloodline abilities anymore for fear of being killed. Haku's mother fled her clan and married a citizen of the Water Country. When he found out that she had passed on these abilities to her son, he murdered her and came after Haku. Haku was ill-prepared to control his powers, and lashed out to protect himself. His powers took the surrounding water and formed it into an ice spike protective prison. Though his life was spared, his knee jerk response to protect himself killed his father in the process. A homeless Haku was later found by Momochi Zabuza, who saw he could exploit Haku's bloodline abilities for his own nefarious ends.
Haku's powers allow him to take water and freeze it into various forms of ice. Such an ability allows him to turn ice into senbon or into mirrors. Haku can also do many of his jutsu through one-handed seals, something practically unknown and impossible to most ninja. Haku's two primary uses of his ability is Sensatsu Suishou and Makyou Hyoushou.
Sensatsu Suishou is a Ninjutsu technique which uses nearby water to form ice senbon. Haku first kicks water into the air with his foot, and as it rises it freeze to form a "thousand" needles. With the handseal still in place, he can release the needles when needed to have them come raining down on his target.
Makyou Hyoushou is a Ninjutsu technique which uses nearby water to form long flat ice mirrors 360 degrees around the target. Haku himself then places his body inside one of the mirrors. Once inside the mirror, Haku can use the mirror reflections to confuse his target. Utilizing the reflections, Haku can almost instantaneously move from one mirror to the other. Due to the speed, his target will appear to be moving in slow motion. Because of this he can unleash numerous needles into his opponent with little difficulty. Using this technique for long periods of time however, will quickly use up Haku's chakra.
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Shikotsu Myaku- Manipulation of their bone structure
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Shikotsu Myaku is the blood inheritance limit of the Kaguya Clan. The Kaguya clan hailed from the Water Country and they were known for their love of battle. They foolishly decided to challenge their home country and they were all wiped out save for Kimimaro. This clan has the ability to manipulate their bone structure. They can remove their bones at will to create weapons as strong as steel and also use their ability to spurn the creation of new bones. Kaguya Kimimaro would utilize dances which took advantage of this ability. These taijutsu techniques would mix body movement with his ability to extend bones. Kimimaro would also use his Earth Seal to expand these dance forms, granting him the ability to use his bloodline to its ultimate limit.
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Souma no Kou-Read below
Souma no Kou is the blood inheritance limit of the brothers Ukon and Sakon. This ability allows the brothers to break down their body at a molecular level and merge with each other. Ukon has advanced this ability with his gaining of a cursed seal. When he enters his cursed seal level two form, he can break down his body at a molecular level and fuse into the body of his victim. This assassination technique is known as Kisei Kikai. This allows him to strategically rip apart the cells of his target from the inside.
While in his level two cursed seal form, he can freely disassemble and reconstruct these cells with his chakra. When done he can use his power to reconstruct himself back to the way it was as he leaves his targets body. Unfortunately because this fusion makes him and the ninja share the same body, he can be damaged by any harm their body takes if it was not done by his careful manipulation. Though not confirmed, it appears Sakon may be able to do this in his level 2 form as well.
The brothers use their ability in their taijutsu fighting style as well, with one brother leaving the main body to attack an unknowing victim from a blindside, or an extra arm sprouting from a spot on the body to get in an undefendable strike.
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You may reserve a spot for the Rinnegan - Transmigration Eye only 3 spots for power reasons:
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Rinnegan is the blood inheritance limit of Rokudou Sennin (Six Realms Sage) and his descendants. Rokudou Sennin was viewed as the original shinobi and his Doujutsu was regarded as the most venerable of the three great Doujutsu. As the original shinobi it was said he created modern Ninjutsu. The Rinnegan was regarded as a god of creation when the world was racked with chaos and as a weapon of destruction which could return everything to nothingness.
The true extent of the Rinnegan abilities are currently unknown. Rain orphan Nagato was an inheritor of the Doujutsu, and used it unconsciously when he was angry and afraid. He entered into a berserk state which allowed him to defeat a much stronger foe. It may be this same ability which allowed him to never lose a battle as "Pain," the leader of the Rain Village rebel faction and Akatsuki. Nagato in the guise of "Pain" also has the ability to switch between six different bodies. Each time Nagato moves to a new body, his Rinnegan travels with him. This probably gives rise to the "Transmigration" name. This is a cycle of reincarnation and rebirth seen in Hinduism and Buddhism. There are six states of rebirth in the cosmology, representing all the good and bad possibilities of life.
((No it does not give you 6 bodies, I have no Idea wht it gives you. you can only RESERVE a spot for this ability untill I know what it actually does))
1. Takai-Urufu
2. GreatBuddha
3. GHiv