One idea could be creating a male oc who is a skilled healer from a far - off land. He arrives in Westeros during a time of great plague and uses his unique knowledge to try and save lives, which gets him involved in the political intrigues of the court. Another could be a male oc who is a master swordsman, self - exiled from his own house due to a family feud, and he ends up joining the fight for the Iron Throne on the side he believes in. A third idea is a male oc who is a scholar, researching the ancient prophecies of Westeros and trying to influence the events based on what he discovers.
You could make an OC who is a dragon rider from a hidden dragon - riding clan. They enter the story during a time of great conflict, and their bond with their dragon is different from what is seen in the show. Their arrival could change the balance of power and the way people view dragons in the world of House of the Dragon.
One idea could be an OC who is a brilliant but unorthodox medical student. They constantly clash with House in their diagnostic methods yet prove to be surprisingly accurate at times. For example, they might use a new technology or approach that House is initially skeptical about but later comes to respect.
Perhaps the dragon OC has the ability to transform into a human - like form. It infiltrates the company of dwarves and hobbits, initially with some ulterior motive. But as the journey progresses, it starts to care for them and uses its dragon powers secretly to aid them against various perils, creating a lot of mystery and suspense in the fanfiction.
Perhaps an OC that is a powerful wizard in the Dragon Ball universe. This wizard OC discovers a dark magic that is threatening to consume the universe. They must then seek the help of the Z - fighters, who are initially skeptical of magic. The OC has to convince them of the danger and together they find a way to stop the dark magic. Along the way, the OC teaches the Z - fighters about the power and responsibility of magic.
Maybe the OC White Dragon Emperor gets involved in a multi - realm tournament. He has to battle against various powerful beings from different dimensions. This would not only show his combat skills but also how he strategizes against different types of opponents.
Maybe an OC who is a rogue with a mysterious past. They have a personal vendetta against a powerful Templar who has gone rogue and joined the enemy. The Inquisition becomes their means to get close to this Templar and exact revenge. Their skills in stealth and thievery could help the Inquisition in various covert operations.
One idea could be creating an OC who is a hybrid of two different magical creatures in the Owl House universe. This could lead to unique storylines about acceptance and self - discovery.
A plot could involve the male OC being a long - lost relative of one of Artemis' allies. He shows up unexpectedly and has a mysterious past. Artemis is initially suspicious of him but as they work together to solve a series of strange disappearances in the forest, she begins to trust him. They discover that an ancient evil is behind the disappearances and must combine their skills to defeat it. Maybe the male OC has some knowledge of ancient magic that Artemis needs to learn.
One idea could be a male oc who is a new student in Riverdale. He has a mysterious past related to a big city crime syndicate. As he tries to fit in at Riverdale High, he gets involved with the core group of friends. Maybe he has some special skills like being an expert in martial arts or a whiz at hacking, which he uses to help solve the town's mysteries. Another plot could be that he is an aspiring musician who gets caught up in the drama between the music clubs at school and the local music scene in Riverdale. He could also have a romantic sub - plot with one of the female characters, like Betty or Veronica, but there are obstacles in their relationship due to his secrets.
One idea could be that the male OC with the Omnitrix accidentally gets transported to an alternate dimension where the Omnitrix functions differently. He has to figure out how to adapt and use it to get back home. Another plot could involve the OC using the Omnitrix to stop an alien invasion that is targeting his hometown specifically. Maybe the aliens are after the Omnitrix's power source.