In the 'emperor naruto avatar fanfic', it could start with Naruto being transported to the Avatar world. There, he quickly rises to power because of his strong will and ability to make friends. He becomes emperor by uniting the four nations. As emperor, he brings some of the Naruto world's technology and knowledge. He could introduce things like ninja tools and new forms of combat training. His leadership would be based on the values he learned in his own world, such as never giving up and protecting his friends and the people under his rule.
Perhaps in this 'emperor naruto avatar fanfic', Naruto is made emperor due to his heroic deeds in both worlds. As emperor, he has to deal with political intrigue. He might have to form alliances with different clans from the Naruto world and different tribes from the Avatar world. His friends from both universes would help him, like Sasuke and Aang. They could teach each other their unique skills and fight against common enemies who oppose Naruto's new rule.
Maybe in the fanfic, an avatar in Discord gains the power of Naruto. This avatar then starts to cause chaos in the Discord world, using Naruto's techniques like the Rasengan. Other avatars have to figure out how to stop this rogue avatar, and they might seek help from the real Naruto in his own universe.
Well, it could be about Naruto somehow getting the power of Asura and having to face off against a powerful enemy in a battle avatar form. Maybe he has to protect the Hidden Leaf from a new threat that only his newfound power can defeat.
Obviously Naruto would be one of the main characters as the title implies he's the emperor. Another could be Sasuke. He might be Naruto's right - hand man or sometimes a rival within the new empire. From the Avatar world, Aang could be a major character. He could either be an ally or someone who initially doubts Naruto's rule but later comes to respect him.
Perhaps Naruto discovers some ancient power or prophecy that makes him the rightful emperor. He then has to deal with the political intrigue within the ninja world. Some might oppose his rule, thinking he's too young or inexperienced, while others see him as the savior. He'd have to build his court, choose his advisors, and face external threats from other lands that see a united ninja world as a threat.
Well, one possibility could be that Naruto, as the emperor, uses his ninja skills to bring peace and prosperity to his empire. He might use his shadow clone jutsu to be in multiple places at once, like overseeing different regions or handling various diplomatic meetings.
Well, a cool plot might involve Naruto being transported to the Avatar world. He gets mistaken for a powerful bender at first. As he tries to figure out how to get back home, he helps the Avatar and his friends in their fight against the Fire Nation. Along the way, Naruto teaches them some of his ninja skills like stealth and quick combat moves, and in return, he learns about the different types of bending. Maybe there could be a big showdown where Naruto's Rasengan combines with Aang's airbending to defeat a huge threat.
The plot of 'naruto is the new avatar fanfiction' could be that Naruto is reincarnated as the new avatar. He wakes up in the Avatar world with no memory of his previous life as a ninja. As he discovers his new powers, he also realizes the great responsibility that comes with being the avatar. He then embarks on a journey to master all the elements and stop an evil force that is threatening to destroy the world, using his ninja - like tenacity and strategic thinking.
Perhaps in this fanfic, Naruto would be confused by the concept of the Avatar at first. But as he gets to know more about it, he realizes the similarities between his world and the Avatar world in terms of protecting people. He might also have some interesting interactions with the different tribes in the Avatar world, like the Fire Nation. And who knows, he could even find a way to use chakra to enhance bending abilities.
One possible plot could be about how the tribe prepares for the new arrival. They might gather special herbs and create a new dwelling for the growing family. Neytiri could also face some challenges during her pregnancy, like dealing with new fears and the extra protection she needs in the dangerous Pandora environment.
One possible plot could be that Naruto is transported to an alternate universe where he is suddenly declared an emperor. He has to deal with the politics and power struggles in this new world while also trying to find a way back home. He might use his ninja skills to gain allies and fight against those who oppose his newfound status.