One common theme is the struggle between good and evil. Since Tom Riddle becomes Voldemort, his brother is often portrayed as having a battle within himself about whether to follow Tom into darkness or oppose him. For example, in many fics, the brother might initially be tempted by Tom's power but then realizes the true nature of his actions.
Another theme is redemption. The brother may try to redeem Tom from his dark path. He might believe that there is still some good in Tom and attempts to bring it out. This can lead to some very emotional and complex storylines, as the brother has to face not only Tom's resistance but also the forces that are driving Tom towards evil.
Family secrets are also a big theme. There could be secrets about their parents, or about the magic they possess that was hidden from them. In some fanfictions, these secrets are slowly uncovered and change the relationship between the brothers. For instance, they might find out that their family has a connection to an ancient and powerful magic that has been kept from them.
Well, a big theme is the power struggle. Harry is seen as the 'good' and Tom as the 'evil', but being brothers adds a new dimension. Also, the theme of identity. How does being brothers change who they are? It's complex and often explored in these fanfictions. They also might explore the theme of how their upbringing could have been different if they knew they were brothers from the start.
One common theme is the exploration of good and evil. Since Tom Riddle becomes Voldemort, fanfictions often examine how Harry, as the symbol of good, could influence or be influenced by Tom. Another theme is the power of magic. Writers like to play with different magical concepts and how they might be used by Harry and Tom.
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.
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.
Well, identity is a big theme. In these fanfictions, Tom Riddle may struggle with his identity as a gay wizard in a world that may not be fully accepting. Power dynamics also play a role. His power as a powerful wizard might interact with his relationships in different ways. For example, his power could either attract or repel his love interest. And of course, there's the theme of secrecy, as he might have to keep his relationship a secret due to the nature of the wizarding world's views at that time.
One common theme is the exploration of power dynamics. Since both Harry and Tom are powerful in different ways, in these fanfictions, when Harry is female, it adds a new layer to how they interact regarding power. For example, how a female Harry might resist or be attracted to Tom's power-hungry nature.
One common theme is the exploration of a different power dynamic. Since Harry is female, it changes the way she might interact with the powerful Tom Riddle. Another theme is the idea of redemption. Some fanfictions explore if a female Harry could be the key to Tom Riddle's possible redemption. Also, the theme of love and attraction often comes up, whether it's a forbidden love or a complex form of admiration between the two characters.
One common theme could be the exploration of an unexpected relationship between Harry and Tom. Since it's mpreg involved, it might also deal with themes of new life and how it changes their dynamic. Another theme could be the blurring of the lines between good and evil as they are brought together in this very different situation.
One common theme is the power struggle. Harry, representing the light side, and Tom, the dark side, often engage in a battle of wills and magic power. Another theme is the exploration of their shared past, like how they are both connected to Hogwarts and the wizarding world's history in different ways.
Another theme is the exploration of power dynamics. Harry has his own power, and Tom is extremely powerful in a different way. Their relationship in the fanfictions often explores how these different powers interact and whether they can find a balance in their romantic relationship. For example, in some stories, their combined powers are seen as a way to overcome greater threats in the wizarding world.