The plot might involve the OC using their knowledge from their previous life to navigate the wizarding world during Grindelwald's rise. They could end up being a double agent, pretending to support Grindelwald while actually working against his more heinous plans.
Well, it could be that Sakura, with her knowledge from her previous life, might bring some unique magic from her own world into the Harry Potter universe. Maybe she becomes a student at Hogwarts and uses her special skills to outwit the dark forces there, like Voldemort. She could also form new friendships with the main characters, and her different perspective on magic might change the way things happen in the story.
The OC's character would likely start with an idealized view of Grindelwald. As the story progresses, they might see the darker side of his actions more clearly. This could lead to a crisis of faith within the OC, causing them to question their own beliefs and values.
Well, the plot could involve the original character (oc) suddenly finding themselves in Luffy's world. Maybe they are reborn as a new member of the Straw Hat crew. They could have unique abilities from their previous life that help the crew in their adventures, like being able to sense danger more acutely or having a special knowledge of some hidden treasures.
Well, it could be about an original character (oc) who dies in their own world and is reborn in the DC universe. Maybe they gain superpowers and have to figure out how to survive among the well - known DC heroes and villains.
Well, it could be about an original character (oc) who is reborn in the DxD universe and has to adapt to the unique rules and powers there. Maybe the oc discovers a new power within themselves that is unique to their rebirth.
One possible plot could be that the OC, reborn as a Senju, discovers new powers within the Senju bloodline. They might struggle to fit into the Senju clan at first due to different memories and personalities from their previous life. As they grow, they could befriend the young Hashirama and Tobirama, and play a role in the early development of the Hidden Leaf Village. Maybe they introduce some new ideas from their past life that help the Senju in their battles against the Uchiha.
Well, the plot could involve the OC being reborn with some special powers. Maybe they're reborn as an Asgardian but with a unique twist. They could then interact with the existing MCU characters like Thor or Loki, and get involved in their adventures, perhaps helping to stop a new threat to Asgard or even all of the Nine Realms.
In an 'OC reborn in Inuyasha fanfiction', the OC could be reborn as a normal human in a village near where Inuyasha and Kagome often pass by. They grow up hearing stories about demons and the half - demon Inuyasha. One day, they accidentally stumble upon Inuyasha and Kagome during one of their battles with a demon. Intrigued by their world, the OC decides to join them. Their unique perspective as a modern - day thinker (assuming they have some modern sensibilities reborn into this feudal - era world) could help Inuyasha's group in unexpected ways, such as coming up with new strategies to deal with demons or finding hidden Shikon Jewel fragments.
The plot could also involve the OC being hunted by those who fear he will follow in Grindelwald's path. This would create a lot of action and suspense. He would have to constantly be on the run while also trying to prove that he is not like his father. He could seek refuge with a group of rebel wizards who are fighting against the remnants of Grindelwald's followers.
The plot could involve the OC being backstage at a wrestling event where they accidentally cross paths with Seth Rollins. There's an instant attraction, and they end up spending the night together. Then the story might focus on how they part ways the next morning and if they ever cross paths again.