How would Naruto's character develop in the 'naruto gets the mangekyou sharingan fanfiction'?

Naruto would become more introspective. The power of the eternal mangekyou sharingan often comes with a lot of emotional baggage in the Naruto universe. So Naruto might start to question more about his own identity and his place in the ninja world. He might also become more cautious as he realizes the great power he now holds and the potential for misuse.

His character would become more complex. With these new powers, he might face new moral dilemmas. For example, the power of the Rinnegan could tempt him to use it in ways that might not be in line with his usual values.

Well, Naruto having the Mangekyou Sharingan and Rinnegan in fanfiction would change him a great deal. His character development would involve a lot of self - discovery. He'd be constantly exploring the limits of these powers, which would take him away from his home village more often. This would make him miss his friends and family, adding a new layer of emotion to his character. He'd also have to deal with the envy and fear of others who might see him as a threat because of his powerful eyes. But through it all, Naruto would strive to use these powers for the greater good, and this would shape him into a more mature and respected ninja in the fanfiction world.

Naruto's relationship with his friends in the Hidden Leaf Village would also change. Some might be in awe of his new power, while others might be a bit afraid. For example, Sakura might be worried that the Mangekyou Sharingan could change Naruto's personality. Naruto would have to reassure them that he's still the same person. And he might also use his new power to protect them more effectively, strengthening their bond.

In such a fanfiction, one possible plot could be that Naruto acquires the Mangekyou Sharingan through some kind of magical or experimental accident. Maybe a powerful enemy uses a jutsu that backfires and transfers the Sharingan to Naruto. Then Naruto has to learn to control its power while also facing the prejudice from those who fear the Sharingan's abilities.

For his relationship with Kakashi, it could be complex. Kakashi, having his own experiences with the Sharingan, would be in a unique position to guide Naruto. But at the same time, he might be worried that Naruto's new power could attract unwanted attention. Naruto's bond with the villagers could also be affected. Some might see him as more of an Uchiha than a Uzumaki now, and there could be those who fear his power. His relationship with Jiraiya, if he were still alive in the fanfic, would also change. Jiraiya would need to teach Naruto how to use this power for good and not let it corrupt him.

Naruto would become more introspective. The Mangekyou Sharingan often comes with a heavy burden and dark secrets. He'd have to deal with the new powers and the potential corruption they bring. For example, he might start to question his own motives more often.

His character would develop in terms of leadership. With the Rinne Sharingan, Naruto would have even more power at his disposal, which could make him a more formidable leader. He could use the knowledge and abilities it gives him to better protect his village and make more informed decisions. For example, he could use its precognitive abilities (if it has any in the fanfiction) to anticipate threats and plan accordingly. Also, he might become more isolated as he tries to master this new power, but in the end, it would make his bonds with his true friends even stronger.

In Naruto fanfiction, the Mangekyou Sharingan is sometimes used to create new backstories for characters. For example, a character who didn't have the Sharingan in the original might be given one in the fanfiction, and the story could explore how they came to possess and master the Mangekyou Sharingan. This can add a whole new layer of intrigue to the character.

Naruto's character would likely become more serious and focused. Training with Shisui and the Sharingan would demand a lot of concentration, so he'd have to tone down his wilder side. He might also become more strategic in combat, as the Sharingan gives insights into opponents' moves.