He might gain the ability to see chakra in a more detailed way. Since the Rinnegan is known for its enhanced visual perception of chakra, Naruto could use this to his advantage when dealing with Kurama's chakra. He could also potentially use the Rinnegan's power to enter Kurama's mindscape in a new way, maybe with more control and understanding. Another possible ability is to transfer Kurama's chakra to others in a more efficient and controlled manner using the powers of the Rinnegan.
His power level would skyrocket. The Rinnegan has a vast array of abilities. Naruto already has a huge amount of chakra from Kurama. When combined with the Rinnegan, he could use the Rinnegan's techniques to enhance Kurama - related attacks. For example, he might be able to use the Preta Path to absorb chakra while in his Kurama - enhanced form. This would not only make him stronger in battle but also more versatile as he could counter different types of opponents more effectively.
Well, the plot implications are many. Firstly, Naruto's new power might attract new villains who are interested in the Rinnegan. This could lead to new and more dangerous threats. Secondly, it could change his role in the village. He might be seen more as a god - like figure, which could create some jealousy or resentment among some of the villagers. And within the ninja world, the other Kage might have to reevaluate their stance towards Naruto and his village. It could also lead to Naruto exploring new places or dimensions that are related to the powers of the Rinnegan.
Another possibility is that it's a result of some strange chakra experiment gone wrong (or right). Scientists in the Naruto universe are always dabbling in chakra research. Maybe an experiment meant to enhance her natural abilities instead gives her the Rinnegan, and she then has to learn to control it quickly to avoid being consumed by its power.
Well, it would significantly boost his power. The Rinnegan is an extremely powerful dojutsu. Naruto already has his vast chakra reserves and Sage Mode. With the Rinnegan, he could gain new abilities like the Six Paths techniques. He might be able to manipulate gravity, use the Outer Path to revive the dead (though this has its own moral and plot implications in the fanfiction world). His combat capabilities would be off the charts, making him one of the most formidable characters in the fanfiction universe.
In fanfiction, the idea of Naruto having the Sharingan and Rinnegan is often a creative and out - of - the - box concept. It could be due to some kind of powerful jutsu or a unique plot device. Maybe a powerful enemy uses a forbidden jutsu that somehow transfers the powers to Naruto. Another possibility is that in an alternate universe created by the fanfic writer, the rules of chakra and kekkei genkai are different, allowing Naruto to possess these powers.
Yes, there are likely to be 'harry has the rinnegan' fanfictions out there. The idea of combining elements from different fictional universes, like Harry Potter and Naruto (where the Rinnegan comes from), is a popular concept in fanfiction. Writers often like to experiment with giving characters from one world the powers or traits of another.
I would recommend 'Naruto's Rinnegan Adventure'. It's a story that delves deep into the implications of Naruto having the Rinnegan. It explores how it affects his relationships with his friends, his standing in the ninja world, and his own understanding of his place in the grand scheme of things. The story is well - written and keeps you hooked from start to finish.
In a fanfiction where Naruto secretly has the Rinnegan, he would become an even more formidable force. His combat abilities would skyrocket. He could potentially use the powers of the Rinnegan, like the Six Paths techniques, in addition to his existing Sage Mode and Nine - Tails chakra. This would make him a major threat to any enemy. He might be able to travel between dimensions more easily and have better control over life and death, just like Madara and Sasuke did with their Rinnegan.
One possible plot could be that Naruto discovers a hidden power within himself that transforms his Rinnegan into the Eternal Rinnegan. Then he has to learn to control this new power quickly as a new and powerful enemy emerges. He uses his new - found power to protect the village and his friends.