One idea could be a crossover with 'Nightmare on Elm Street'. Freddy Krueger could invade the 'Friday the 13th' world and start terrorizing the campers. Jason Voorhees would then have to face this new threat. It could be an epic battle of two horror icons.
There's also 'Jason and the Newcomer'. In this fanfiction, a new character arrives at Camp Crystal Lake with a mysterious past. This character seems to have an uncanny ability to sense Jason's presence. The story delves into their strange connection and how it affects the events at the camp.
Naruto's Rasengan would be a very effective weapon in the Friday the 13th universe. He could use it to blast away any threats, like the masked killers or other dangerous creatures. His ability to create shadow clones would also be useful for scouting the area, as the Friday the 13th settings are often full of hidden dangers. He could send clones in different directions to look for exits or other survivors.
First, decide which two or more universes you want to cross over. For example, if it's 'Friday the 13th' and 'Alien', think about how the two different types of horror can blend. Then, introduce the setting. If it's at Camp Crystal Lake, describe the spooky atmosphere. Next, bring in the characters. Start with a character from one of the universes, like Ripley from 'Alien' arriving at the lake. Then, build the conflict. Maybe there are strange alien - like creatures emerging from the lake, and Ripley has to team up with Jason (in a strange way) to face this new threat.
The love triangle in Friday the 13th fanfiction can be really engaging. It might be that one character is in love with a potential victim and the killer in some strange way. Maybe the killer has a hidden side that draws the character in, while the victim represents safety and normalcy. This can lead to some really tense situations as the character has to decide who to side with, all while the threat of Jason Voorhees looms.
Well, Bella in 'Friday the 13th' fanfiction could be portrayed in various ways. She might be the one who discovers some hidden secrets about Jason Voorhees. For example, she could stumble upon an old diary that reveals some of Jason's past, which could either help her survive or put her in even more danger. Or perhaps she's a strong - willed character who decides to fight back against Jason instead of just running and screaming like the typical victims.
The horror element. People love to be scared in a safe way. Fanfiction can take the existing horror of the franchise and amplify it. For example, by adding more grotesque details to Jason's kills or creating new, scarier scenarios at the camp. It gives horror fans more of what they crave.
One common theme is the clash of different worlds. Naruto's world of ninjas and the horror - filled world of Friday the 13th are very different. So when they come together in fanfiction, it often explores how these two contrasting worlds interact. Another theme could be survival. Just like in Friday the 13th, characters have to survive against Jason, and Naruto is used to difficult survival situations in his own world too.
Well, survival is a huge theme. You've got Batman, who is used to his own set of challenges in Gotham, suddenly facing the brutal and often unstoppable force of Jason Voorhees. There's also the theme of justice. Batman always tries to bring justice, but in the context of Friday the 13th, it's not as straightforward. The horror aspect also seeps in, as the fear that Jason induces is different from the fear criminals in Gotham have of Batman. It makes for an interesting mix of themes in these fanfictions.
One possible plot could be that the RWBY team is on a mission in a forest that has a dark history similar to Crystal Lake. They start to notice strange things happening, like people disappearing. Then, they encounter a masked killer similar to Jason. They have to use their skills as huntsmen and huntresses to fight this new threat while also trying to figure out the mystery behind the killer.