One interesting plot could be the ninja having to deal with a locust horde that has been magically enhanced. They might have to use new jutsu combinations to fend off the swarms.
A possible plot is that the locust horde is attracted to a new type of chakra that has emerged in the ninja world. Naruto and the others need to figure out how to either hide this chakra or get rid of the locusts before they destroy all the crops and villages. This would create a lot of tension and strategic thinking within the story as they try different approaches.
Perhaps in the fanfiction, the locust horde is being controlled by a rogue ninja. The story could then revolve around Naruto and his friends finding and stopping this ninja to end the locust threat. It would involve a lot of action scenes as they battle both the ninja and the horde.
It could be a mysterious figure who uses the locust horde as a weapon to take over the ninja world. This person might have some grudge against the existing ninja villages and sees the locusts as a way to disrupt their peace.
Well, 'naruto king of the locust fanfiction' could be a really creative take on the Naruto universe. Maybe in this fanfic, Naruto is in a world where locusts play a significant role, like they could be a form of chakra - based creatures and Naruto has to become their king to bring balance. It could also involve Naruto using his ninja skills in a new and unique way to deal with locust - related challenges.
One interesting plot could be Naruto coming back with new and enhanced powers. Maybe he has a special connection to a new chakra source that was unknown before his revival. This would make him even more powerful and able to face new threats that emerged during his absence.
One interesting plot could be that Naruto, through some sort of magic or strange portal, ends up in the world of Candace. He could use his ninja skills to help Candace deal with the pesky brothers who are always causing trouble. Maybe he teaches her some basic ninja moves like how to do a simple substitution jutsu to outwit her brothers when they are planning their next prank.
Well, in some 'naruto is hokage fanfiction', there might be a plot where Naruto discovers a long - lost secret about the Hokage position. Maybe it's a hidden power that only the true Hokage can unlock. And then there could be a story line where Naruto has to balance his family life with his duties as Hokage. His kids might get involved in some dangerous situations that he has to handle while still leading the village.
One interesting plot could be Naruto coming back reanimated and having to team up with his former enemies who are also reanimated to fight a new, greater threat. This would turn the whole idea of enmity on its head.
One interesting plot could be Naruto as a girl facing unique challenges in the ninja world. For example, she might have to deal with different expectations regarding her appearance and gender role while still striving to be a great ninja. Maybe she uses her femininity in unexpected ways to outwit her opponents, like using charm as a distraction during a battle.
One interesting plot could be the main character having a unique power that wasn't in the original Naruto series. For example, the ability to control time on a small scale, which could be used in battles or to solve mysteries. Another plot might involve the characters traveling to different dimensions within the Naruto universe that are yet to be explored in the official story.
In some 'naruto is exiled fanfiction', one interesting plot could be Naruto finding a new hidden village in exile and learning unique jutsu there. Another could be him forming unexpected alliances with former enemies who also have a bone to pick with the Hidden Leaf. Maybe he discovers a long - lost clan secret during his exile that gives him new power.
A common plot is time - travel. For example, Shisui travels to Naruto's time. This allows for interesting interactions as Shisui gets to see the village he sacrificed so much for in a different state. He can also use his skills to help Naruto in new and unexpected ways.