You could also write about Naruto forming a special force within the Hidden Leaf Village. This force would consist of some of the most talented ninja from different clans. They would be trained by Naruto himself to face threats that are beyond the capabilities of the regular ninja forces. It could explore how Naruto's leadership skills and his understanding of different ninja abilities would help in creating a formidable team.
A great concept for a 'Naruto Shining Force' fanfiction could be a time - travel story. A Naruto character, like Kakashi, travels back in time to the era of Shining Force. He then uses his ninja skills and knowledge to help the Shining Force in their battles. He could teach them some ninja stealth techniques, and in return, learn about their unique forms of magic. This would create an interesting dynamic between the two different universes and their abilities.
Another interesting plot could involve Naruto teaming up with characters from the Star Wars universe who have also been brought into the Naruto world. Imagine Naruto and Luke Skywalker working together to defeat a common enemy that combines the threats from both universes. They could learn from each other's powers and techniques, making for an exciting story.
One idea could be that the self - defense force in the Naruto world has to deal with a new threat from a hidden underground organization that is stealing chakra - based weapons. Another could be a story where members of the self - defense force are trained by some of the legendary ninjas like Naruto himself to face an upcoming large - scale war. A third plot idea might be that the self - defense force discovers a new type of ninjutsu that has the potential to either save or destroy the ninja world and they have to decide what to do with it.
One idea could be that Naruto's ability to control chakra is somehow combined with the Fire Force's pyrokinetic abilities. For example, Naruto might teach the Fire Force members some of his chakra control techniques, which could enhance their ability to control their flames in a more precise way.
One idea could be exploring the backstory of Rey's parents in more detail. Maybe they were part of a secret Jedi order that was in hiding. Another could be a story about Finn's life before he defected from the First Order, like his training and relationships with other stormtroopers. Also, a fanfiction could focus on Kylo Ren's struggle with the light side of the Force that he tries to suppress.
You could write a fanfiction that delves deeper into the relationship between Arthur and Shinra. Maybe they get into a big argument over their different approaches to being a hero. Shinra believes in using his powers for the greater good in a more practical way, while Arthur is all about living out his 'knight in shining armor' fantasy. This argument could lead to them going their separate ways for a while, and then having to come back together to face a powerful Infernal that neither of them could defeat alone.
One idea could be exploring an alternate universe where the Battle Force 5 team has different powers or vehicles. For example, instead of their regular rides, they could have flying saucers with unique offensive capabilities.
One idea could be a story where the heroes from different Jump universes have to team up against a new, unknown threat that is slowly corrupting their worlds. Another could be a character - driven story focusing on a minor character from one of the Jump series and their journey through the chaotic world of Jump Force.
A possible plot for Danger Force fanfiction is that there is a power outage in Swellview that affects all the high - tech gadgets and powers of the Danger Force. They have to rely on their wits and basic physical skills to fight off a group of villains who take advantage of the situation. Another idea is that a mysterious force starts to make all the supervillains in Swellview team up. The Danger Force has to figure out what is causing this alliance and break it up before the villains launch a major attack on the city. And for a more character - focused plot, one of the Danger Force members starts to doubt their place on the team after making a big mistake during a mission. The rest of the team has to help them regain their confidence and prove that everyone makes mistakes and they are still an important part of the team.
Well, you could create an OC fanfiction where the OC is a scientist who discovers a new way to combat Infernals that doesn't involve burning them. This OC might be initially rejected by the Fire Force but then proves their method's worth. Also, an OC with a special connection to the Adolla Burst could be interesting. Maybe they can communicate with the spirits of the Infernals or have visions related to the Adolla realm, which would lead to new adventures and revelations within the Fire Force world.