What are some interesting plot ideas for a Super Smash Bros Brawl fanfic?

One idea could be a story where all the characters from different universes team up to face a new, unknown threat that is causing glitches in their worlds. For example, Mario, Link, and Pikachu working together in a way they never have before.

An interesting plot for a Super Smash Bros Brawl OC fanfiction could involve an OC that is a master of disguise. This OC can transform into any of the existing Smash Bros characters, but with a twist. Their abilities are a bit different from the original characters. They use this power to create chaos during battles, making other characters suspect each other. As the story progresses, they start to have a change of heart and end up using their power for good, helping the Smash Bros community deal with an outside threat that none of the regular characters can handle alone.

I'm not sure specifically which one is the longest 'Super Smash Bros. Brawl' fanfic. There are likely many fanfics out there, and it would require a lot of research in the various fanfic platforms to determine the absolute longest one. It could be a complex, multi - chapter epic that delves deep into the game's characters, their relationships, and the battles in the Smash Bros. universe.

A fan fiction could explore the backstories of some of the less - known characters in Smash Bros Brawl. Maybe the story could focus on how a particular character got their unique abilities and what their life was like before being part of the Smash Bros universe. It could be really interesting to see how they trained and developed their skills in their original worlds.

You could write a fanfic about the backstories of how the characters got invited to the Smash Bros tournament. Maybe there's some sort of secret council that decides who gets to participate, and there are some political intrigues among the different game worlds regarding this. So, like, Sonic's world is trying to get more representation in the tournament, but there are some forces that are against it.

Well, you could have a story where a new villain emerges in the combined Naruto - Super Smash Bros world. This villain has the power to steal the abilities of the characters. Naruto and his comrades, along with the Smash Bros characters, have to team up to stop this villain. They go on a journey across different stages of the Smash Bros game to find the source of the villain's power and defeat him. Along the way, there are many battles, character development, and some humorous moments as the two different groups of characters interact.

One main theme is usually the clash of different fighting styles. Naruto has his ninja skills and the Smash Bros. characters have their own unique moves. Another theme could be friendship, as Naruto might form bonds with other characters in the brawl.

A plot could revolve around a new character being added to the roster secretly. This character has an unknown power that starts to disrupt the balance in the Smash Bros world, and the other characters must figure out who it is and stop them. For example, this new character could be causing glitches in the battle arenas, making it difficult for the regular characters to fight.

One idea could be a crossover with a classic RPG like Final Fantasy. Characters from Final Fantasy could enter the Super Smash Bros universe and bring their unique abilities. For example, Cloud could use his Omnislash. Another idea is a crossover with an anime like Naruto. Naruto characters would add a whole new dynamic with their ninja skills. And a third idea could be a crossover with a horror game, like Resident Evil. The spooky elements and unique weapons of Resident Evil characters would make for a very different kind of Super Smash Bros fanfic.

One idea could be an OC from a relatively unknown game getting invited to the Smash Bros universe. They have to learn the ropes of the unique fighting style there. Another could be an OC who has a special power that disrupts the balance in the Smash Bros world, causing both chaos and new alliances among the characters.