Revenge is a common theme. Many OCs in these fanfictions turn evil because they have been wronged in some way and want to get back at those who hurt them.
One popular 'evil gamer oc fanfiction' story could be about an evil gamer character who infiltrates a virtual world and tries to take over. Another might involve an evil gamer OC causing chaos in an online gaming tournament. There are also those where the evil gamer OC has some sort of dark backstory that drives their malicious actions in the game world.
Well, you could have an OC that is a journalist who gets caught up in the Resident Evil chaos while investigating a story. They then use their skills to document what's really going on, maybe even finding evidence that could stop the spread of the virus. Or perhaps an OC who was experimented on as a child by an unknown group related to Umbrella, and now has superhuman abilities that they use to fight back. Also, an OC that is a hacker trying to break into the systems of the bio - weapon creators to disrupt their plans.
One idea could be creating an original character who is a scientist that was once part of the same research team as Simmons but had a change of heart. This oc could be on a mission to expose the real motives behind the C - virus outbreak. Another idea is an oc who is a skilled martial artist that teams up with Leon and Helena to fight off the infected in a city. They could bring a unique fighting style to the story.
You could also have an oc who is part of a secret organization that has been observing the events in Raccoon City all along. Their mission might be to contain the outbreak, but their motives are not entirely pure, adding a layer of mystery to the fanfiction.
To write a good 'evil gamer oc fanfiction', you need to understand the gaming world well. Use the jargon and mechanics of the game in your story. Also, make your evil gamer OC have some sort of motivation that readers can understand, even if they don't agree with it. Like they want to be the most powerful in the game because they feel powerless in their real life. And don't forget to add some twists and turns to keep the readers hooked. Maybe the evil gamer OC has a change of heart at some point, or there's an even more evil force that they have to face.
Well, writing a good Resident Evil OC fanfiction requires several steps. Begin with a strong concept for your OC. Consider their origin, whether they were born into the Resident Evil chaos or got dragged into it later. Their backstory should influence their actions and decisions throughout the story. When it comes to the plot, it should be engaging and full of twists and turns. Maybe your OC starts out thinking they're on one side, but then discovers they've been lied to and have to switch allegiances. In terms of the setting, use the different locations from the Resident Evil games as inspiration, but also feel free to create new ones. For example, an abandoned research facility deep in the mountains. And finally, make sure your characters, including your OC, have believable emotions. They should react realistically to the horrors they face, whether it's fear, anger, or determination.
One great male OC fanfiction in the 'Star vs the Forces of Evil' universe could be 'The Lost Star Knight'. It features a male OC who has a mysterious past and ends up getting involved in Star's adventures. His character development is really interesting as he learns about the magical world around him and forms unique relationships with the existing characters.
One interesting concept could be how the G - Virus affects different characters in unique ways. For example, it might give a character enhanced physical abilities but at the cost of their mental stability. Another concept could be the origin of the G - Virus in the fanfiction world. Maybe it was created as a result of a failed experiment in a secret underground lab. And also, the way the OC (original character) interacts with the G - Virus can be really fascinating. The OC might have some special immunity or a way to control the virus, which leads to various plot developments.
One common theme is survival. Since Resident Evil is all about surviving in a world full of zombies and bio - threats. The oc and Sherry often have to work together to stay alive. Another theme could be the discovery of new secrets about the Resident Evil universe. Maybe the oc has some knowledge or ability that leads them to find out something important related to Sherry's past or the origin of the virus.