Another idea is that the Ladybug characters end up in the RWBY world. They would be shocked by the Grimm and the more dangerous environment. Ladybug and Cat Noir could team up with RWBY teams to fight off the Grimm. Along the way, there could be exchanges of combat techniques. Ladybug could teach RWBY characters some of her acrobatic moves, while the RWBY characters could show them how to handle different types of weapons.
A more complex storyline could involve a common enemy that exists in both universes but in different forms. The RWBY and Ladybug characters have to combine their knowledge and powers to defeat this enemy. There could be a mystery element where they have to figure out how the enemy is connected between the two worlds. This would require a lot of cooperation and character development as they learn to trust and rely on each other across different fictional settings.
One creative idea is a crossover with the Jurassic Park world. Imagine Ladybug and Cat Noir having to fight dinosaurs while still maintaining their secret identities. Another is a crossover with the Alice in Wonderland world. The wacky and strange nature of Wonderland would make for an interesting backdrop for the Miraculous heroes.
Well, a fanfiction where Ladybug and Chat Noir end up in a parallel universe where their roles are reversed is quite creative. They would have to adapt to being the other person. Also, a story where they have to team up with their former enemies to defeat a greater threat is a fresh idea. And how about a fanfiction where Ladybug and Chat Noir lose their memories but still feel a strange connection to each other? It would be full of mystery and self - discovery.
One idea could be to create a Ladybug costume that is tattered and covered in fake spiderwebs to give it a spooky Halloween twist. You could also add some fake blood splatters to make it look like Ladybug has been in a battle. Another option is to make a dark version of the costume, with a black instead of red suit and purple spots.
Well, how about this? Cinderella is actually an ancestor of Marinette. And Marinette discovers an old diary of Cinderella's that has some hidden secrets about the Miraculous. It seems that Cinderella had a connection to the Miraculous long ago. This discovery leads to a new adventure where Ladybug has to follow the clues in the diary to find a lost Miraculous that could be very powerful. Along the way, she meets characters who are like the ones in Cinderella's story, but with a Miraculous Ladybug twist.
A plot idea could be that a villain creates a prosthetic - like device that can steal the powers of the Miraculous holders. Ladybug and Chat Noir have to figure out how to stop this device and also deal with the fact that some of their friends or allies might be affected by it. Or perhaps there's a character who has always been self - conscious about their prosthetic, but when they get a Miraculous, they learn to embrace it and see it as a strength. They could inspire other characters with disabilities in the story.
The OC could be from a far - off land in Remnant that Ozpin has little knowledge of. When they join Ozpin, they introduce new concepts and fighting styles. For instance, their land might have a different way of using Dust, and they share this knowledge with Ozpin's group. This not only helps in battles but also in the research and development of new weapons and strategies. The OC's journey with Ozpin could also involve uncovering ancient secrets about Remnant that were long forgotten, and together they strive to use these secrets to gain an edge against Salem.
For a RWBY Beowolf OC fanfiction, you could focus on a Beowolf OC that has a connection to a particular location. Say it haunts an abandoned mine in Vale. It could have made the mine its lair and is territorial about it. The OC could have a backstory related to how the mine was once a place of great activity and the negative energy from its abandonment attracted it. The RWBY team stumbles upon this mine during a mission and has to face this territorial Beowolf OC. You could also play with the idea of the Beowolf OC evolving or changing its form as the story progresses, maybe due to absorbing some sort of powerful energy source in the mine.
Well, for a RWBY new weapon in fanfiction, think about a weapon that has the ability to manipulate the elements. For instance, a staff that can create fire, ice, or lightning at its ends. Or perhaps a pair of gloves that can harden into metal fists for punching and also generate shockwaves. A whip - like weapon that can split into multiple smaller whips for wider area attacks is also a cool concept. These weapons would add new and exciting elements to the RWBY fanfiction battles.
Perhaps a crossover where the villains from both universes team up. Salem from RWBY and Dio from Jojo could form an alliance. The heroes from both RWBY and Jojo would then have to put aside their differences and work together. This would bring in all sorts of interesting dynamics, like the different fighting styles and power sets having to mesh in order to take on this super - powerful villainous alliance.
A new villain could have a weapon that specifically targets Ladybug's powers. When she tries to use her yo - yo or her powers of creation, it backfires and causes her harm. This would force her to rely on her wits and Chat Noir more than ever. They would need to find a way to neutralize the weapon and heal Ladybug.