First, that needs a new name >.>' Second, The Sharingan is one of the three great doujutsus alongside the Byakugan, and the Rinnegan. Most of it's power level is determined by how many dots or "tomoes" that are shown in the eye when activated, the Sharingan has multiple abilities gained from 1 Tomoe to 3 Tomoe, which are seeing the chakra flow, genjutsu related abilities and tracking and prediction abilities. Upon reaching the stages of Mangekyo Sharingan, these abilities' power increase, making one capable of tracking faster movements and even casting powerful jutsu of the eyes themselves, the most common of these beings Amaterasu, Tsukuyomi, and Susano'o, the more powerful of the three. There exist another stage of the Sharingan, even stronger than the Mangekyo, which deteriorates over time. Upon taking another Uchiha's Mangekyo Sharingan and replacing the original with them, the holder awakens what is known as the Eternal Mangekyo Sharingan. This stage is powerful enough to even control the Tailed Beast and grant one the power of a God. Or at least very powerful anyway. A few things each stage of the Sharingan have in common are the abilities of seeing chakra flow, genjutsu related powers, and tracking and prediction abilities.
First is regarding the chakra flow as that is the basic Sharingan ability and is reached when activating the 2 Tomoe Sharingan. This power isn't in the 1 Tomoe because when the Sharingan is in 1 Tomoe, it's considered an incomplete stage. The Sharingan can see the chakra located in anything that has chakra within it and is able to differentiate between them by "coloring" each person's chakra different, meaning that people's chakra color vary when you see it with the Sharingan. As a result of seeing this flow, doubled with the high clarity of perception that the Sharingan grants the user, the Sharingan has also the ability to differentiate between the basic 5 chakra natures, because each elemental chakra has a unique feature to it that makes it noticeable by the Sharingan. lThis is demonstrated within the five elemental releases: Fire chakra is, by nature, very hot therefore affecting the color pattern. Wind chakra consists of thin, sharp blades whereas Lightning chakra vibrates rapidly. Earth chakra, on the other hand, is very dense, which causes the chakra to appear dense, darkening the chakra's color. Water chakra slows in a freer motion than that of wind and lightning. Therefore, it is possible for the Sharingan to easily decipher the nature of chakra. However, this is only unlocked when the Third Tomoe appears in the Sharingan eyes. As a result of seeing the chakra flow of a person, the Sharingan is able to understand how the normal chakra network flows. Due to this, a Sharingan is able to detect inversely when a chakra flow is altered, flowing in a different way than expected. This allows the Sharingan to be able to detect genjutsus cast upon the host or those around it. The Sharingan cannot penetrate chakra, meaning that when a chakra flow is present in front of the Sharingan it can see past it no matter how faint or dense the chakra is which explains why the Sharingan is often bested inside the Hidden Mist Jutsu. However, the Sharingan is capable of seeing through thin walls that contain no chakra in them to a certain extent, like for example it can see chakra right below the surface of the ground, but it can't see chakra deep within the ground.
The second trait of the Sharingan stages are genjutsu related abilities of the Sharingan. As said above, the Sharingan is capable of determining the genjutsu when it happens by watching the irregular chakra flow. In addition to that, the Sharingan is capable of piercing through visual genjutsu of B-rank and below in case of 3 Tomoe Sharingan. What defines the genjutsu technique to be a visual one is it's features, like for example genjutsu that affects your eye sight making you see false illusionary images that aren't real. If a part of the genjutsu or all of it fools your sight, then your Sharingan can pierce through that genjutsu according to the rank. However, genjutsus that affect only your hearing or touch are not considered visual genjutsus and are not breakable by the Sharingan. However, breaking through visual genjutsus doesn't mean that the Sharingan can only identify visual genjutsu. It identifies all kinds of genjutsu through the chakra flow. The Sharingan can break through B-rank and below visual genjutsu, but that doesn't mean that the Sharingan user is immune to that level of genjutsu when used against him, the Sharingan often takes a second or two to break the genjutsu, depending on how powerful your Sharingan is by the tomoe level and such, meaning that the genjutsu will affect you for only a moment, but the next moment your Sharingan will break free of it. When encountering a genjutsu technique, you can't just assume that the Sharingan knows it; you have to clearly describe how you know it's a genjutsu in this case by saying that the Sharingan sees the irregular chakra flow and therefore knows that this is a genjutsu. When achieving the 3 Tomoe Sharingan level, you receive a new ability which is casting genjutsu through your Sharingan eyes. The genjutsu casted with the Sharingan is extremely fast, but of course has a drawback: Not only would one require a clear path to his target or looking into their eyes, many will not work, excluding those which are clearly said to not require eye contact.
The third ability of the Sharingan is the tracking and prediction/copying abilities. The Sharingan has the ability to slow down the movements when you are looking at them, meaning the movements will happen a lot slower to you than they are in reality. This doesn't mean that the speed is literally slowed down, you just see it slowed down with your Sharingan, which gives you higher reaction times when encountering fast movements, You also have to remember that for you to keep up with high speeds "normally", your body has to have the same speed of the target. You can see it, but your body doesn't have the speed capacity to keep up with it. As a result of high speed tracking and high clarity of perception your Sharingan is able to catch the slightest movement that's done by your opponent, even an ear twitch, making the Sharingan a great asset in close ranged fights. Also, the Sharingan is capable of predicting ninjutsu techniques that's done by your opponent, which have some conditions to using: first, you have to have clear vision of his handseal usage and second, you have to have encountered or know the technique that he's using previously in order to know which exact technique he is going to use without him even using it. This works for all cannon techniques once you master them, therefore you would be capable of predicting each and every cannon technique before they happen and therefore have more reaction times. For custom techniques you must have encountered the technique before or know it. Keep in mind that while you know the technique happening, you can't possibly react before it's done, meaning to use a technique before your opponent uses his justifying it by you knowing what technique he is going to use, in our RP this defies the timeframe rule. Your Sharingan is also capable of predicting Taijutsu movements according to the movement patterns of the body and reacting to it accordingly making the sharingan a very deadly weapon when fighting hand to hand users.
Now onto the abilities of each level of the Sharingan:
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One Tomoe Sharingan
- Tracking speeds higher than the human eye can perceive, up to the first gate speeds
- Breaking through of D-rank visual genjutsu techniques
- See the Chakra flow
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Two Tomoe Sharingan
- Tracking speeds higher than that of the one Tomoe Sharingan, up to the second gate speeds
- higher clarity of perception than that of the one tomoe stage.
- Predicting ninjutsu and Taijutsu movements
- Copying Taijutsu techniques.
- Tracking handseal usage
- Breaking through C-rank and below visual genjutsu techniques.
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Three Tomoe Sharingan
- Tracking speeds higher than the previous stages, up to the third gate speeds
- Seeing the chakra flow with a higher perception, determining each and every chakra nature of the basic 5 elements
- Higher clarity of perception than the previous stages.
- Copying ninjutsu and Taijutsu techniques
- Predicting Ninjutsu and Taijutsu techniques as well as handseal usage easier than the previous stages.
- Breaking through B-rank and below visual genjutsu techniques.
- Casting eye genjutsu techniques through the Sharingan
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Mangekyō Sharingan
- Tracking higher speeds of all the previous stages, up to the fifth gate speeds.
- Seeing the chakra flow and different forms of chakra
- Higher clarity of perception than the previous stages
- Copying ninjutsu and Taijutsu techniques.
- Predicting Ninjutsu and taijutsu techniques and tracking handseals much easier than the previous stages.
- Breaking through A-rank and below visual genjutsu techniques.
- Casting eye genjutsu techniques through the Mangekyō Sharingan
- The birth of new ninjutsu and genjutsu abilities, according to each Mangekyō Sharingan user.