You can start by creating a unique character that exists in both universes or is a bridge between them. This character can introduce the two worlds to each other. Also, consider the different power systems. If it's a crossover with Inception, how do the dream - invasion abilities work with the cybernetic minds in Ghost in the Shell? You need to figure out how to balance and blend these elements.
First, study both the Ghost in the Shell universe and the other universe you want to cross it with. Know their characters, settings, and key themes. Then, think of a central conflict that can bring the two universes together. For example, if crossing with The Matrix, the conflict could be about the nature of reality in both cyber - worlds.
First, you need to create your OC. Decide on their appearance, skills, and backstory. For example, if your OC is a cybernetic detective, think about how they got their enhancements and what drives them to solve crimes. Then, come up with a plot. It could be something as simple as a missing - person case that turns out to be part of a larger conspiracy. Start writing from there, introducing your OC and the situation they are in.
One idea could be a crossover with Blade Runner. You could explore how the concepts of identity in both universes interact. The replicants' search for more 'human' experiences and the cyborgs in Ghost in the Shell's exploration of their own humanity would make for a really thought - provoking story.
First, do your research on both Harry Potter and Ghost in the Shell. Know their settings, themes, and character traits. Next, think of a common ground. It could be a shared enemy or a similar goal. For instance, both worlds often deal with issues of identity. Now, for the writing. Make the crossover smooth. Don't just throw the characters together without a proper introduction. You could start with a mysterious event that links the two worlds. For example, a magical artifact in the Harry Potter world starts to act strangely and seems to be connected to some cybernetic experiments in the Ghost in the Shell world. Then build the story from there, with the characters learning from each other and growing.
One idea could be that the characters from SAO find themselves in the world of Ghost in the Shell. They have to adapt to the high - tech environment where cybernetic enhancements are common. Kirito could use his sword - fighting skills in a new context against cybernetic foes.
To start writing a chara crossover fanfiction, you should start with brainstorming ideas for how the characters will interact. Will they be friends or foes at first? Also, think about how the different rules and worlds of the original characters will blend or clash. For example, if you're crossing a magical character with a non - magical one, how will that work? Sketch out a rough outline of the story, including the beginning, middle, and end. You can start with a simple premise like 'What if these two characters met?' and then build on it. Consider the character arcs for each of the crossed - over characters. How will they change during the story?
Begin by brainstorming ideas. Think about what would happen if the 'legion' met a different group of characters. You can draw inspiration from other crossover fanfictions you've read or movies/TV shows you've seen. After that, develop your characters. If you're bringing in characters from different universes, give them new dynamics. They might be initially suspicious of each other but then learn to work together. And don't forget to set the scene. Describe the new world that is created by this crossover, whether it's a mix of the 'legion' world and another or a completely new place where they all end up.
To start writing 'Battletech Crossover Fanfiction', begin by choosing a crossover that has potential for great stories. Say you pick 'Battletech' and 'Full Metal Panic'. Research both universes thoroughly. Next, create a strong plot. Maybe the mechs are being used in a war on a planet similar to the one in 'Full Metal Panic'. Develop your characters well, like how a Battletech pilot would react to the situations in the other universe.
Begin by exploring the personalities of Robin and the character he is crossing over with. If it's, say, Robin and Supergirl, understand how Robin's detective skills and combat training would interact with Supergirl's superpowers. You can start with a small encounter between them, like they meet by accident and then gradually build up to a bigger adventure. Also, don't forget to add some conflict, whether it's internal (Robin struggling with his own insecurities) or external (facing a powerful enemy).
Begin by creating a character profile for Android 21 in this new crossover setting. Consider her goals and how they might change. Also, establish the rules of the new world she's in. If it's a world of magic, how will her powers interact with magic? You can start with a simple scene, like her arrival in the new world, and build from there.
I think a pairing between Klein and Togusa could be fascinating. Klein's more laid - back nature compared to Togusa's by - the - book style could lead to some interesting interactions. And they could both bring different skills from their respective worlds when facing challenges in a crossover situation.