One interesting Death Note Genius OC Fanfiction could be about an OC who has the power to reverse the effects of the Death Note. This OC might use this power to save those who were wrongly targeted. Another could be an OC detective who is as brilliant as L and is able to outwit Kira. There are also fanfictions where an OC is a Shinigami who befriends Light and tries to change his fate.
An interesting OC fanfiction could be about a Death Note owner who doesn't want to use it for evil but for good in a very specific way, like only targeting truly heinous criminals who keep escaping justice. They could have moral dilemmas throughout the story.
One idea could be to create a Shinigami OC who is a bit of an outcast among the Shinigami. Maybe this OC doesn't like the idea of just writing names in the Death Note and wants to find a more 'humane' way to deal with humans, which could lead to all sorts of interesting conflicts with other Shinigami. For example, they might try to influence humans in a positive way before their time is up instead of just causing their death.
Some Death Note fanfiction focuses on the idea of what if there were multiple Death Notes in the world at the same time. This would lead to chaos as different users with different motives fight for power and try to outwit each other, creating a complex web of plots and counter - plots.
Well, some OCs in Death Note fanfiction could be a psychic who can sense the presence of the Shinigami. This psychic might be drawn to the chaos that the Death Note is causing and try to use their powers to stop it. There could also be an OC who is a member of an underground organization that has been secretly studying the Death Note for years. They have their own motives, maybe to gain power or to prevent the wrong people from getting their hands on it. And an OC as a street - smart kid who stumbles upon the Death Note and has to make a choice between using it for personal gain or trying to destroy it, which would add a whole new perspective to the story.
One interesting Death Note L OC fanfiction could be where the original character has a unique ability to read L's thoughts. This adds a whole new layer of mystery and interaction between the two. Another could be an OC who is a detective from another country and teams up with L to solve Kira cases. There are also fanfictions where an OC is a childhood friend of L and has some secrets related to the Death Note.
A fanfiction might focus on the Shinigami. For example, Ryuk could be the main character in a story where he decides to interfere more in the human world. He could start to manipulate events in a way that benefits him or just for his own amusement. This would give a different perspective on the Death Note universe, showing the Shinigami's view of the humans and their actions.
One interesting 'Death Note Reaction Fanfiction' could be about the characters' reactions when they first discover the Death Note. For example, Light's initial shock and then his quick realization of the power it holds. Another might focus on how L reacts to the existence of the Death Note and Light's actions. There could also be fanfictions that explore the reactions of secondary characters like Misa when she gets involved with the Death Note's power.
First, you need to have a deep understanding of the Death Note universe. Know the rules of the Death Note, the personalities of the main characters like Light and L. Then, create an OC with a unique backstory. For example, if your OC is a genius, explain how they became so intelligent. Maybe they had a traumatic event in their childhood that made them study obsessively. Also, give your OC a clear goal in the story, whether it's to stop Kira, or to use the Death Note for their own purposes.
One interesting 'oc genius fanfiction' story could be about an ordinary person who discovers they have a genius-level intellect and uses it to solve complex mysteries in their town. They might outwit criminals and become a local hero. Another could involve an 'oc' (original character) who is a genius inventor and creates amazing gadgets that change the world around them. There could also be a story where the 'oc genius' is a student in a school full of challenges, and they use their intelligence to overcome academic and social obstacles.
Yes, in some Death Note fanfiction, Harry Potter can be portrayed as a genius. Writers might combine his magical skills and intelligence from the Harry Potter universe and apply them in the context of the Death Note world, creating interesting and unique storylines.