You could also create an OC who is a spy sent to infiltrate the Darkling's inner circle. The OC has to balance their mission with their growing feelings for the Darkling, which makes for a complex and engaging story.
Another plot could involve the Darkling's reaction. He might be conflicted between his dark desires and the newfound sense of responsibility towards Alina and the unborn child. He could try to use the pregnancy to his advantage in some power - play, or he might actually start to develop real emotions for Alina because of it.
In this fanfiction, the baby could have a special connection to the Sun Summoner power that Alina has. As it grows, it starts to show signs of being able to manipulate light in new and unexpected ways. This draws the attention of various groups, both good and bad. Alina then has to protect the baby while also trying to figure out how to harness its powers for the greater good. She might face challenges from those who want to use the baby's powers for their own evil purposes, and she has to rely on her friends and her own strength to keep the baby safe.
A plot could be centered around an alternate reality where Alina and the Darkling meet in a different context, like in a foreign land away from Ravka. They start as strangers, not knowing each other's identities, and gradually form a bond that is tested when their true selves are revealed.
One interesting storyline could be the Darkling's redemption. Maybe he realizes the error of his ways and tries to make amends for his past actions, which would be a huge character development shift.
Well, a 'the darkling x oc fanfiction' could be really interesting. It often allows fans to explore new relationships and storylines. Usually, it might involve the Darkling's character traits being interacted with the original character (OC). For example, the OC could be a normal person who gets drawn into the Darkling's world of power and mystery, creating a lot of drama and tension.
The allure of the Darkling's character also plays a part. He's a complex and often mysterious figure. Pairing him with an OC allows for different interpretations of his character. People love to explore how he would interact with a new character, and what kind of relationship could develop. Maybe it's a love - hate relationship or a relationship based on mutual goals.
One idea could be creating an OC who has a unique power related to time manipulation. They could be from a different dimension and end up in the Avengers' world. Another idea is an OC who is a master of ancient magic and teams up with Doctor Strange within the Avengers group. Maybe an OC that is a super - intelligent android created by a villain but has a change of heart and joins the Avengers.
You could create an OC for your Persona OC fanfiction who is an artist. This artist OC could use their art as a way to understand and even manipulate the Metaverse. For example, they might draw scenes from the Metaverse that give clues about upcoming events or hidden locations. Their art could also be a form of therapy for other characters who are struggling with their dual lives in the real world and the Metaverse.
Perhaps an OC who is a half - human, half - beast creature. This OC could struggle with acceptance in both the human and beast - kin societies. They end up meeting the main characters during their adventures and learn to embrace their unique identity with the help of the group, while also adding their own combat skills, which are a blend of human strategy and beast - like strength, to the team.
One idea could be to explore the Riddler's origin story from the perspective of your original character (OC). Maybe your OC is a detective trying to solve the mystery of the Riddler's first crime spree. Another idea is to have your OC be a sidekick of the Riddler, either willingly or by being forced into it. They could then have a complex relationship where the OC tries to influence the Riddler's actions for better or worse.