One possibility is that there was some sort of spiritual or chakra - based connection between Naruto and Nagato. Nagato, being the possessor of the Rinnegan, recognized Naruto's strong will and the fact that he was on a path to change the ninja world for the better. Through this connection, Nagato was able to transfer the power of the Rinnegan to Naruto. It could also be related to the nature of the Sage of Six Paths' power that was somehow involved in this transfer, as both Naruto and Nagato were related to the Sage in different ways.
In some fanfictions, Naruto might get the Rinnegan from Nagato through a transfer of power. This could be due to Nagato seeing Naruto as a worthy successor and using some sort of jutsu to pass on the Rinnegan's power before he dies. Another possibility is that there is some sort of magical or spiritual connection between them that enables the transfer.
In some fanfiction concepts, there could be a spiritual or mental connection established between Naruto and Nagato. Since Naruto has this unique ability to understand and connect with people on a deep level. Through this connection, Nagato might pass on the power of the Rinnegan to Naruto. It could be like a transfer of not just the physical power but also the knowledge and understanding that comes with the Rinnegan.
The story would change drastically. Naruto's combat abilities would be enhanced. He could use the Rinnegan's powers like the Six Paths techniques, which would give him an edge in battles. For example, he could use the Preta Path to absorb chakra attacks from opponents.
If Naruto gained Nagato's Rinnegan, it would completely change the power dynamics in the Naruto universe. Naruto already has his own powerful abilities like the Nine - Tails chakra. With the Rinnegan, he could potentially master all six paths techniques with ease. His combat capabilities would skyrocket, and he might be able to defeat enemies much faster. For example, he could use the Deva Path to manipulate gravity, which would be a huge advantage in battles against strong opponents.
When Naruto gets the Rinnegan from Nagato in fanfiction, it can completely transform his role in the story. He not only gains new combat capabilities but also a new level of understanding of the ninja world. The Rinnegan might give him insights into the origin of ninjutsu or the true nature of the tailed beasts. This could lead him on a new quest to uncover secrets related to the Rinnegan and use that knowledge to reshape the ninja world. Moreover, it could also change how other villages view him. Some might see him as a potential dictator with such great power, while others might see him as the ultimate savior.
Well, it could mean that Naruto's view of the world and his relationships with others would change. The Rinnegan comes with a lot of knowledge and a different perspective. He might see the ninja world in a more complex way. Also, it could affect his relationships with his friends and allies. Some might be in awe of his new power, while others might be a bit wary. And in terms of the story, it could open up new plotlines, like exploring the full potential of the Rinnegan in Naruto's hands and how he uses it to face new and old enemies.
Well, one possibility is that Naruto gains new powers with the Rinnegan. He might use it to finally bring true peace to the ninja world. Maybe he could combine the power of the Rinnegan with his existing Sage Mode and Nine - Tails chakra, becoming an even more formidable force against any threats.
One major implication is that Naruto's power level would skyrocket. The Rinnegan is an extremely powerful dojutsu, so he would be able to use a whole new set of abilities. For example, he could use the Six Paths techniques more effectively than before.
In some fanfictions, Naruto might get injured by Nagato's powerful jutsus. For example, Nagato could use his Chibaku Tensei in a more unexpected way, catching Naruto off - guard and causing him physical harm. Maybe Naruto tries to approach Nagato too quickly to reason with him and Nagato, in a split - second decision, uses a blast of Shinra Tensei to push Naruto back, resulting in Naruto getting injured as he crashes into surrounding debris.