A more complex plot could be that both Hermione and Tom are sent back in time to an era they know little about. They have to rely on each other to survive at first. However, Hermione is constantly on guard as she knows Tom's true nature. As they face various challenges together, Tom starts to have doubts about his future as a dark wizard because of Hermione's positive influence.
Another plot might involve Tom Riddle traveling to the future where Hermione exists. He could be intrigued by her magic, which is different from what he's used to. He might try to use her knowledge for his own gain in the past, but Hermione is too smart for him and outwits him at every turn. This creates a battle of wits across time.
One interesting plot could be a time - traveling character going back to Tom Riddle's school days at Hogwarts. They could try to prevent him from becoming Voldemort by befriending him and showing him a different path. For example, introducing him to the power of love and friendship which he lacked in his original life.
Well, one intriguing plot is when Hermione goes back in time to stop Tom Riddle from making Horcruxes. It adds a whole new layer of drama as she has to figure out how to do it without disrupting the timeline too much. Another plot is when she travels back and tries to befriend Tom as a child, thinking she can change his future that way. In some fanfictions, the plot of Hermione getting trapped in the past while dealing with Tom Riddle's rise to power is also very interesting.
One interesting plot could be Hermione and Sirius traveling back in time to prevent a certain dark wizard from rising to power. They could use their combined knowledge and skills to subtly change events. For example, Hermione's knowledge of magic history and Sirius' experience in the wizarding world could help them figure out how to stop the dark wizard's early supporters.
One interesting plot could be that Harry and Hermione travel back in time to change a major event at Hogwarts, like preventing the opening of the Chamber of Secrets. They might use their knowledge from the future to outwit Tom Riddle before he becomes Voldemort.
In some fanfictions, there could be a time - loop situation. Harry and Tom Riddle keep repeating a certain period of time, and each time they interact, they learn something new about each other. For example, they might start off as enemies but gradually come to understand the reasons behind each other's actions as they repeat the time period over and over again.
Well, perhaps in the fanfiction, Hermione time - travels to Tom Riddle's era and she attempts to understand his early life better. She could try to find the root of his evil and change it. For example, she might discover that a particular event in his childhood was the turning point. As for Tom Riddle traveling to Hermione's time, he could be fascinated by the advanced magic and the different social structure in the wizarding world, which might make him question his own beliefs.
One interesting plot could be that they go back in time to prevent a certain dark wizard from ever rising to power in the first place. They might use their knowledge of future events to stop key events that led to the wizard's ascension.
Another interesting plot could be that when Hermione travels back, she finds that Sirius has a much different personality than she expected. Maybe he's more cunning or more vulnerable. This changes the dynamic between them and leads to a more complex and emotional story. The author can then explore how Hermione adapts to this new version of Sirius and how they work together to face the challenges in the past.
One interesting plot could be a time - traveling character going back to Tom Riddle's school days at Hogwarts. They might try to prevent him from becoming Voldemort. For example, they could befriend young Tom and show him a different path of magic, one that's more about using it for good and building relationships. This could change the entire future of the wizarding world.
One interesting plot could be a time - travel scenario. Hermione somehow travels back in time to Tom Riddle's Hogwarts days. She tries to prevent him from becoming Voldemort. Maybe she uses her knowledge of magic and the future to show him a different path, like introducing him to the power of love and friendship that he was deprived of as a child.