Yes, there are likely some fanfics out there with this concept. The Naruto fandom is vast and creative, and some authors might come up with the idea of Naruto having a blue Sharingan for the sake of unique storylines, crossovers, or just to explore different power combinations within the Naruto universe.
One possible plot could be that Naruto discovers the Sharingan during a mission in a hidden part of the shinobi world. He then has to learn how to use it while keeping it a secret from his friends and enemies. As he masters it, he gains new insights into the Uchiha clan and their history.
There's also 'Sharingan - Naruto's New Power'. In this fanfic, Naruto gets Obito's Sharingan in a rather unexpected way. The story focuses on his journey to master this new power. It has some interesting plot twists, such as Naruto having to face off against enemies who are specifically targeting him because of his newfound Sharingan ability.
In many 'naruto has obito sharingan' fanfics, a unique aspect is the new combat potential. Naruto already has his own powerful techniques, and adding the Sharingan gives him an edge in battle, like enhanced perception and the ability to copy enemy jutsu more effectively.
Maybe in the fanfic, Naruto enters an alternate dimension where the Sharingan is blue. He discovers that he has this new - found ability and must use it to find his way back home. Along the way, he meets different versions of his friends and foes, and the blue Sharingan gives him an edge in battles and also helps him understand the secrets of this strange dimension.
The Sharingan in a Naruto fanfic can be a really interesting element. It often adds depth to the story. Writers can explore different aspects of it, like the unique powers of different levels of Sharingan, such as the Sharingan's ability to copy jutsus. It can also be used to show the character's growth. For example, a character might start with a single - tomoe Sharingan and progress to the Mangekyo Sharingan, which could be a significant plot point in the fanfic.
Yes, there are likely fanfics out there where Naruto has one Sharingan. Fanfic writers often come up with creative and alternative storylines, and this could be one of them. They might explore how Naruto got the Sharingan, what new abilities he could gain from it, and how it would change his relationships with other characters in the Naruto universe.
Yes, there are likely fanfics out there with this concept. Fanfic writers often like to combine different fictional elements, and the idea of Harry having the Sharingan from Naruto in a fanfic is an interesting crossover. You can search on fanfic platforms like Archive of Our Own or Fanfiction.net to find such works.
One drawback could be the strain on his body. The Sharingan is a powerful dojutsu, and Naruto's body, which is used to his own chakra system, might not be able to handle it well at first. This could lead to fatigue and over - exertion during battles.
A possible plot could involve Naruto getting the two tomoe sharingan and being mistaken for an Uchiha by some villains. They then try to either recruit him or kill him because of the power he now holds. This could lead to Naruto having to prove that he's still the same Naruto while also dealing with the new power and the threats that come with it. He might also have to find a way to get rid of the sharingan if it starts to cause problems or change him in a negative way.