Well, if Naruto has Obito's Sharingan in a fanfic, it could lead to some really interesting power combinations. Naruto already has his own strong chakra and abilities like the Rasengan. With the Sharingan, he might be able to copy jutsus even more effectively. Also, it could change his perception of the Uchiha and the whole situation regarding the Sharingan's history in the Naruto world. Maybe he could use it to understand Obito's motives better.
The implications could be huge. Firstly, Naruto would have an edge in battles. The Sharingan gives enhanced vision and the ability to predict movements. So, in a fight against strong opponents like Sasuke or Madara, he could use this to his advantage. Secondly, it could create new storylines related to the Uchiha. Since Naruto is the main character, his newfound power could attract the attention of other Uchiha survivors or those who want the Sharingan for themselves. And thirdly, it might change his relationships. For example, Kakashi, who also has a connection to the Sharingan, might have a different dynamic with Naruto.
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.
One potential implication is that Naruto's fighting style would change drastically. He would have to learn how to use the Sharingan's abilities like predicting movements and copying jutsus. This could make him an even more formidable opponent.
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.
One implication could be enhanced power. The Sharingan already has powerful abilities like seeing chakra flow and predicting movements. A golden Sharingan might have even more advanced or unique powers. Maybe Naruto could use it to see into the future more accurately or manipulate chakra in a completely new way.
Naruto's fighting style would change significantly. He would no longer rely solely on his brute strength and Rasengan - based attacks. The Sharingan would allow him to see the flow of chakra more clearly, so he could target his opponents' weak points more precisely. He could also use genjutsu, which he has little experience with before. Maybe he would combine his shadow clones with the Sharingan's abilities, for example, having clones with Sharingan - enhanced vision to scout the area better during a battle.
One plot implication could be that Naruto is initially distrusted by some in the village. They might see the Sharingan as a symbol of danger or the Uchiha's past misdeeds. This could create internal conflict within the village. Also, Naruto might be hunted by enemies who fear the power of the Sharingan in his hands.
Well, Naruto getting Obito's Sharingan would change the whole dynamic of the Naruto universe. His friends might be a bit wary at first, as the Sharingan has been associated with the Uchiha and their often complex and sometimes dark history. But Naruto being Naruto, he would probably use it for good. He could combine his own chakra control and the power of the Sharingan to create new and unexpected combat strategies. For example, he could use his shadow clones in more creative ways, with the Sharingan's enhanced perception.
One implication could be a change in Naruto's character development. Knowing Obito as his father might make Naruto question his own values more. Another is the impact on the relationship with other characters. For example, his relationship with Kakashi would be very different.
Typically, he would have the Sharingan in his eyes. So, instead of his normal blue eyes, one or both of his eyes would have the characteristic red with the tomoe pattern of the Sharingan. It gives him a more menacing look, which is quite a contrast to his usual friendly appearance.
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.