Begin by brainstorming the characters and settings you want to combine with Luigi. Let's say it's a crossover with the Final Fantasy series. Think about how Luigi would adapt to a world full of magic and complex characters. You could start with Luigi being magically transported to a Final Fantasy realm. Describe his initial confusion and then start introducing the main conflict. Maybe a powerful sorcerer in the Final Fantasy world is trying to take over the Mushroom Kingdom too, and Luigi has to find allies in this new world to stop him. Develop your characters' personalities and relationships as you write, and don't be afraid to let the story take unexpected turns.
First, think about the main character, which is usually Luigi. Decide what his goal or motivation will be in the story. For example, it could be to rescue Mario who has been captured by a powerful ghost. Then, come up with a setting within the mansion. Is it a particular floor or room that's important? After that, start writing a simple introduction that sets the mood, like 'Luigi stepped into the dark and eerie Luigi's Mansion, his heart pounding with fear but his determination strong.'
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.
To start writing your 'dark Luigi' fanfiction, consider his relationships. How would his new, dark self interact with Mario? Would he try to manipulate Princess Peach? You also need to establish a clear plot. It could start with a small event that sets Luigi on his dark path, such as finding a cursed object. As you write, don't be afraid to give Luigi new powers or abilities that match his darker nature.
Begin by brainstorming interesting scenarios. If you're doing an 'It' crossover with a sci - fi story, think about how the otherworldly elements of 'It' like the sewers and Pennywise's powers would work in a sci - fi setting. Decide on your main characters from both universes. Then, create a rough plot outline. You could start with a character from one world stumbling into the other. It's all about being creative and having fun with it.
First, decide which two universes you want to cross over. For example, if it's Little Nightmares and Alice: Madness Returns, study the lore and characters of both. Then, create a scenario that brings the characters together, like a strange portal opening up.
One idea could be a Luigi crossover with Mario Kart characters in a story where Luigi has to compete in a special tournament to save the Mushroom Kingdom from a new threat that only targets the racers. Another could be a crossover with Zelda characters, where Luigi finds himself in Hyrule and has to team up with Link to defeat Ganon who has somehow invaded the Mario universe as well.