In certain 'Harry surrenders to Voldemort' fanfictions, the plot might take a very emotional turn. Harry could surrender because he feels responsible for all the deaths that have occurred in the war. He may think that his presence has only brought more destruction. Once surrendered, he might face a moral dilemma. Voldemort could offer him power and a chance to rule by his side. Harry would then have to struggle with the temptation of the dark side while still trying to find a way to defeat Voldemort. This internal struggle could be a major part of the fanfiction, exploring Harry's character in a whole new light.
Well, in some fanfictions, when Harry surrenders to Voldemort, it leads to a strange alliance. Voldemort, being overconfident, might keep Harry alive thinking he can use him. Harry could then start to learn more about the dark side from within, and perhaps find a way to turn some of Voldemort's followers against him. Also, it could be that the act of surrender causes a shift in the magical balance in the wizarding world. Some ancient prophecies might be set in motion that no one expected, and Harry has to figure out how to use this new situation to his advantage.
In some versions of this fanfic concept, Harry might surrender as part of a long - term strategy. He could be faking it to get closer to Voldemort and find a way to destroy him from the inside. He might endure a lot of hardships and mental torture while pretending to be a submissive prisoner, all the while looking for that one weak spot in Voldemort's defenses that he can exploit to end the Dark Lord once and for all.
One interesting plotline could be that Harry discovers a new, powerful magic that gives him an edge in the fight against Voldemort. For example, he might find a way to combine different spells in an unexpected way. Another could be that Voldemort has a secret weakness that Harry uncovers through his friendships. Maybe one of his friends has a unique connection to an ancient magic that can be used against Voldemort.
One possible plotline could be that the children possess unique magical abilities due to their mixed heritage. For example, they might have the power to control both light and dark magic in a balanced way. Another could be that they are caught in the middle of the two worlds, with the wizarding community being suspicious of them because of their Voldemort connection, while Voldemort's remaining followers might try to use them for their own dark purposes.
One possible plotline could be that Voldemort discovers a prophecy that Harry holds the key to some ultimate power that he desires, not just for domination but for something more profound, like the ability to reshape the wizarding world in a way he originally never considered. So he starts to protect Harry instead of trying to kill him immediately.
The wizarding community could be in shock. Many would feel that their last hope is gone. Some might lose faith and start to submit to Voldemort's rule. Others, however, could be inspired to fight even harder, believing that they need to carry on Harry's legacy.
One interesting plotline could be an alternate universe where Harry and Voldemort have to team up against a greater evil. This flips the traditional dynamic on its head.
One possible plotline could be Harry struggling to regain control of his mind while Voldemort tries to use his body to carry out evil deeds. For example, Harry might have to fight against Voldemort's commands internally. Another could be how his friends notice the strange behavior and try to figure out what's wrong and save him.
One interesting plotline could be Harry using his new - found dominance to force Voldemort to face the consequences of his actions. He could make Voldemort see the pain he has caused to so many. Another could be that in a world where Voldemort is submissive, Harry tries to reform him, teaching him about love and friendship which Voldemort has long scorned.
One interesting plotline could be exploring Voldemort's family history before he became the Dark Lord. Maybe there are secrets about his parents that were hidden. For example, in some fanfictions, they might delve into how his mother's family had some sort of ancient magic that was passed down but misused by Voldemort. Another could be about Voldemort having a long - lost relative who tries to stop him. This relative might have been hidden away all this time and has now emerged with unique powers to oppose Voldemort's tyranny.
One possible plotline could be that Harry discovers some long - hidden connection between himself and Voldemort that makes him like a 'prince' in Voldemort's dark world. Maybe it has something to do with a prophecy or a long - forgotten magic.