One interesting fanfiction could be 'The Dark Captivity'. In it, Harry is held in a magically fortified dungeon by Voldemort. Voldemort's motives for capturing Harry are explored in depth, not just about killing him but also about breaking his spirit. Another could be 'Captive Potter'. Here, Harry endures various mental tortures while being Voldemort's captive, but he manages to secretly communicate with his friends using a very unique and magical way.
Well, 'Trapped by the Dark' is a 'Harry captured by Voldemort' fanfiction worth reading. It delves into the psychological aspect of Harry's captivity. He has to face his worst fears while being held by Voldemort. The story also focuses on how the wizarding world outside reacts to Harry's capture. Another interesting one is 'Voldemort's Prisoner Harry' which portrays Harry as not just a passive captive but one who tries to outwit Voldemort at every turn within the prison of the dark lord.
One interesting 'harry goes to voldemort' fanfiction could be where Harry tries to understand Voldemort's motives and in the process, discovers a long - lost magic that could potentially end the war. Another might be a story where Harry is magically transported to Voldemort's side during a battle and has to pretend to be on his side to survive and gather intelligence.
Well, in some of these fanfictions, Harry's magical abilities might change when possessed. He could start using dark magic in ways he never would have before. It makes for a really interesting twist on his character. For example, he might struggle against Voldemort's will while still being forced to do some dark deeds, creating a complex internal battle.
One interesting 'Harry and Voldemort are soulmates' fanfiction could be the one where they discover their soulmate bond during a magical duel. The intense energy of the duel somehow triggers a connection that neither expected.
There could be a fanfiction where Voldemort saves Harry from another dark wizard. In this scenario, Voldemort has his own motives. He might want to be the one to defeat Harry himself in a more 'honorable' duel later, so he doesn't want some other dark force to take Harry out before he has his chance.
There are not many mainstream fanfictions with such a strange concept. However, some fan - made works might explore unique power dynamics or symbolic interpretations. Maybe you could search on some specialized fanfiction websites, but be prepared for very unorthodox and often creatively wild takes on the Harry Potter universe.
In some fanfictions, Harry's sister could be a time - traveler and accidentally end up in a time when Voldemort was still a student at Hogwarts. She then has to interact with him without revealing who she really is or the future she comes from. This creates a complex situation where she might see a different side of Voldemort and question whether he was always completely evil, all while trying to find a way back to her own time.
One possible fanfiction could be where Harry uses a powerful, ancient magic that he discovers in a hidden chamber at Hogwarts. This magic has the power to reverse death, but he doesn't fully understand the consequences. So, when he brings Voldemort back, Voldemort is initially weak and Harry tries to keep him in check while learning more about this new situation.
Ron would also be important. His loyalty to Harry is unwavering. He might be the one who bravely volunteers to go on the most dangerous part of the rescue mission, perhaps facing off against some of Voldemort's most feared Death Eaters.
Well, if Harry is captured by Voldemort in fanfiction, it could lead to some really dark and intense scenarios. Voldemort might torture Harry to get information about the resistance. Harry, on the other hand, could be secretly planning an escape while pretending to be broken. There could also be a rescue mission by his friends, which would be full of danger and drama.
In some fanfictions, Neville could play a crucial role in rescuing Harry. Neville has grown a lot throughout the series and could surprise everyone with his courage and newfound magical abilities. There could also be some unexpected allies, like a group of centaurs or house - elves who decide to help because they recognize the importance of Harry in the fight against Voldemort. House - elves, for example, are known for their powerful magic that is often underestimated, and they could use it to their advantage to free Harry.