Male OC Harry Potter fanfiction: What are some good plot ideas involving a male OC?

For an Inuyasha male OC fanfiction plot, consider this. The male OC is an artist who can paint things that come to life. He gets caught up in the chaos around the Shikon Jewel when one of his paintings accidentally becomes a powerful demon. Now he has to work with Inuyasha and the others to defeat it. Or he could be a demon slayer who has a personal vendetta against a particular type of demon that is also involved in the Shikon Jewel saga. His presence disrupts the group's dynamics at first, but they soon realize they need his skills. Another idea is that he's a messenger from another dimension who brings news of a greater threat that will affect not only the Inuyasha world but also other dimensions.

One plot idea could be that the male OC is a new student at True Cross Academy. He's a bit of an outcast because of his mysterious past. As he tries to fit in, he discovers a hidden plot within the academy that involves demons. Another idea is that he has a special power that the exorcist order wants to use for their own purposes, but he has to decide whether to cooperate or not. A third plot could be that he is on a quest to find a lost artifact that has the power to either destroy all demons or give them ultimate power, and he has to face many challenges along the way.

Here's a plot idea. The male OC is an alchemist who has a special connection to the Truth. He starts having visions of a coming catastrophe that is related to the misuse of alchemy. He has to convince the other alchemists, including Edward and Alphonse, that this is real and they need to work together to prevent it. This could involve him traveling across the country, facing various challenges and enemies along the way. Another plot could be that he's a foreign alchemist who comes to Amestris to study their alchemy. But he soon realizes that there are dark secrets within the Amestrian alchemical community that he must expose.

Well, here's a plot idea. The male OC has a special connection to a magical artifact that is coveted by an evil force. He has to protect it while also trying to figure out why he has this connection. Also, he could be in a love triangle with two other characters in the guild, which adds a lot of drama to the story. Another idea is that he's the key to unlocking a hidden power within the Fairytail guild, but he doesn't know it at first and has to go through a series of trials to discover his true potential.

One plot idea could be that the male OC is a detective hired to investigate strange disappearances in the Black Butler world. He starts to suspect that there's a supernatural force at work and teams up with the main characters to solve the mystery. Another idea is that he's a nobleman's son who has a secret identity as a vigilante, fighting against the corrupt nobles. He might cross paths with Ciel and Sebastian when they're on a mission related to the same nobles.

A plot could involve the male OC being related to one of the scientists who worked at the lab. He comes to Hawkins to find out what really happened to his relative. Along the way, he teams up with the kids and they uncover a conspiracy that goes deeper than they thought. Or perhaps the male OC is an artist and he starts having visions of the Upside Down through his art, which leads him on a journey to figure out what they mean.

A good plot could involve the male elf OC being sent on a mission by his elven king to spy on the dwarves' journey. But during this, he realizes that the dwarves are not as bad as he thought and decides to help them instead. He could also be cursed by an evil sorcerer, and the only way to break the curse is to complete a series of impossible tasks. This could lead him to team up with unlikely allies, like a hobbit or a wizard. Additionally, his family's past could come back to haunt him, and he has to face his ancestral demons to save his people.

One plot idea could be that the male OC is a new student at Constance Billard. He quickly becomes the talk of the school because he has a mysterious past. Maybe he's secretly a millionaire's son who has been kept out of the public eye until now. He starts to date one of the popular girls, but this causes jealousy among the other guys at school, leading to all kinds of drama.

One plot idea could be that the male OC is a spy sent by a rival group to steal Atlantean secrets. But as he spends time in Atlantis, he starts to question his loyalty. Another idea is that he is the only one who can decipher an ancient Atlantean prophecy that foretells a great danger to Atlantis, and he has to team up with Milo and the others to prevent it.

One idea could be a male oc who is a transfer student from a different wizarding school. He has unique magical abilities that are rare in Hogwarts, like the ability to communicate with magical creatures on a deeper level. This could lead to him helping Hagrid with some of the more dangerous creatures and getting into all sorts of adventures around the Forbidden Forest.