One implication could be that he becomes an extremely powerful ninja, far more powerful than in the original series. With the three doujutsu, he can have enhanced perception, powerful genjutsu abilities, and unique ways of attacking and defending.
One implication is that he becomes extremely powerful. He would be able to see things others can't, predict attacks more accurately, and have a greater variety of combat techniques at his disposal.
One implication could be enhanced combat abilities. If Naruto has the Namikaze Doujutsu, he might be able to better predict his opponents' moves. For example, he could see the flow of chakra in a more detailed way and counter attacks more effectively.
Well, if Naruto has all doujutsu in fanfiction, it means he has access to a whole new set of powers. For example, the Rinnegan's various abilities such as the Six Paths powers. This could lead to some really interesting plot developments, like him being able to use these doujutsu to bring peace to the ninja world in a different way than in the original story. Maybe he could use the Sharingan's genjutsu capabilities to defeat enemies without having to use brute force all the time.
Another possibility is that Naruto discovers some ancient and long - forgotten ninja art that allows him to either mimic or directly acquire the three doujutsu. It could be hidden in a secret scroll or a lost temple that he stumbles upon during one of his adventures. And this art gives him the ability to have all three doujutsu.
One implication is that he would become an extremely powerful force. He could easily detect enemies, even those hidden or using stealth techniques, with the sharingan. And with the byakugan, he could have a near - perfect view of his surroundings. This would make him almost unbeatable in battles.
One implication is that he becomes an extremely powerful ninja. He can use a wide variety of techniques, making him almost unbeatable in combat.
Well, if Naruto had the Uzumaki doujutsu in fanfiction, there would be several implications. Firstly, his power level would likely increase significantly. This doujutsu could potentially give him abilities such as enhanced chakra control or the ability to sense danger from afar more accurately. In terms of his role in the village, it could make him an even more important figure. He might be able to train other ninjas in new ways related to the doujutsu. Also, his battles would become more interesting as he could use the unique abilities of the Uzumaki doujutsu to outwit his enemies. It could also lead to new story arcs where he has to master this new power and deal with the responsibilities that come with it, like protecting the doujutsu from those who would misuse it.
Naruto having all sub - elements could also mean that he has a deeper connection to the chakra system and the world around him. He might be able to understand things on a more fundamental level, like the secrets of ancient jutsu or the origin of the ninja world. This knowledge could drive the plot forward as he uncovers hidden truths.
The Juubigan in fanfiction for Naruto often means a shift in the power balance. His relationships with other characters might change too. Allies could be in awe of his new power, while enemies would be more fearful. It also might open up new plotlines like Naruto having to learn to control this new power so as not to accidentally harm his friends.
One implication is that it changes his combat style. He can now use the Sharingan's abilities to predict enemy moves and copy jutsu more effectively. Another is that it might affect his relationships. For example, Sasuke might see him differently. Also, it could lead to new power - up scenarios and different training regimens in the fanfiction.