Well, it could be about Darcy Lewis somehow getting involved in the Assassin's Creed world. Maybe she discovers a Piece of Eden while working on some scientific project. She could then team up with an Assassin to keep it from falling into the wrong hands.
Darcy might be a sort of outsider who brings new technology to the Assassins. In the Assassin's Creed world, they have their own ancient tech, but Darcy could introduce things like advanced communication devices or better ways to analyze data from the Animus. She would be like a breath of fresh air, shaking up the traditional ways of the Assassins.
In a certain 'darcy lewis crossover fanfiction', she crosses paths with the characters from 'Supernatural'. It's an exciting read as she tries to make sense of the world of demons and angels using her scientific knowledge. However, some of these fanfictions can be hard to find. You might need to dig deep into fanfiction websites like Archive of Our Own or FanFiction.net and use specific search terms related to 'darcy lewis crossover' to discover more of these gems.
A possible plot could involve a group of ponies accidentally traveling to the Assassin's Creed world. They would be out of place and have to adapt quickly. They might team up with an Assassin to stop a powerful enemy. The ponies could use their unique magical abilities, like Rainbow Dash's speed or Fluttershy's ability to communicate with animals, to help the Assassin in their quest. And in return, the Assassin could teach the ponies about their history and fighting techniques.
First, you need to decide on the main characters from both universes that will be involved. Then, think about the setting. Will it be mostly in Equestria or in the Assassin's Creed world? For example, if it's in Equestria, how will the Assassin's Creed elements fit in? Maybe there are secret Assassin guilds hidden among the ponies. Next, create a conflict that requires both the ponies' magic and the Assassins' skills to solve. It could be something like a dark magic that is threatening both worlds.
Maybe there's a hidden Templar plot that has ties to a military case the NCIS is investigating. An Assassin discovers this connection and has to work with the NCIS agents, who are initially skeptical of this person with such strange abilities and knowledge. They gradually learn to trust each other as they uncover the Templar conspiracy together.
A great Assassin's Creed crossover fanfiction idea is to cross it with 'Game of Thrones'. Picture an Assassin in Westeros, trying to navigate the complex web of political intrigue and assassination plots that are already rife in that world. They could be hired by different houses to carry out assassinations or be on a mission to uncover some dark secrets. Another interesting one could be a crossover with 'Cyberpunk 2077'. An Assassin in a high - tech future world, using their traditional skills along with new - age technology to take out targets in the neon - lit streets of Night City.
How about a crossover with the Star Wars galaxy? The Assassins could find themselves in a far - off planet in the Star Wars universe. They might get involved in the fight between the Jedi and the Sith, using their stealth and combat skills in a whole new environment filled with blasters, lightsabers and strange alien species.
First, you need to know the character of Darcy Lewis well. Read the original stories she's from to understand her personality, her goals, and her relationships. Then, choose the universe you want to cross her over with. It could be something like 'Harry Potter' or 'The Lord of the Rings'. Next, think of a plot that would make sense for her to be in that new universe. For example, if it's 'Harry Potter', maybe she could be a visiting scientist studying the magic from a scientific perspective.