One of the themes is the idea of redemption. Many fanfics play with the concept of Tom being redeemed through his connection with Harry. Also, the theme of parallel lives is quite common. It shows how similar or different their upbringings and destinies could be.
One common theme is friendship. Despite their differences in the original stories, fanfic writers often explore how they could become friends or allies. Another theme is redemption. For example, Tom might be given a chance to turn away from the dark path he took in the canon. Also, power struggles are common. With Draco's family background and Harry's status as the 'Chosen One', there are many opportunities to write about power dynamics among them.
One common theme could be friendship. The stories might explore how Tom and Harry form a bond despite their differences. Another could be self - discovery, as they both grow and learn about themselves throughout the story.
The theme of friendship or a complex relationship also runs through many 'harry x tom fanfic'. They are not just friends or enemies but something in - between. It could be a relationship based on mutual respect, despite their differences, or a relationship full of tension and conflict that still has a certain bond.
Power is a significant theme too. How they handle power, whether it's magical power or power over others. In some fanfics, they might share power, or compete for it, which creates interesting storylines.
A major theme is the manipulation of destiny. Fanfics often question whether their fates are set in stone or if they can change the course of events. Another common theme is the exploration of the wizarding world's politics and how Harry and Tom fit into it. Their different ideologies can clash or, in some cases, find common ground. There's also the theme of self - discovery, as both characters learn more about themselves through their interactions with each other.
One common theme is family. Since they are brothers in these fanfics, exploring their family bond, whether it's a strong connection or a strained one due to Tom's dark tendencies, is often central.
Another theme is redemption. Some fanfics explore the possibility of Tom Riddle being redeemed, perhaps through his interactions with Harry. It's an interesting concept as it goes against the established view of Voldemort as an irredeemable villain. These stories usually dig deep into Tom's past and what led him to become so evil in the first place, and then show how Harry's influence could potentially change his path.
Well, identity crisis is often a theme. Harry, being a hero, and Tom, being a villain - to - be, would face an identity crisis when they realize they are brothers. Also, the theme of power struggle within the family can be seen. They both have strong magic, and how they use it in relation to each other can be a major part of the story. In some fanfics, they might compete for the family's magical legacy.
The exploration of good and evil is a big theme. Given Tom's inclination towards the dark side and Harry's role as the 'Chosen One' for good. Also, there's the theme of destiny. Fanfics often play with the idea of whether their destinies are set in stone or can be changed by their relationship. In many of these fanfics, there's also the theme of secrecy, as their relationship is often something that has to be hidden from others in the wizarding world.
One common theme is redemption. Since Tom Riddle becomes Voldemort in the original story, these fics often explore the idea of whether he can be redeemed with Harry's help. Another theme is the power of family. Harry, having grown up without a proper family for a long time, tries to create a loving family for Tom. And the theme of changing destiny also runs through. It's about whether they can change the dark future that was set for Tom in the original story.