One common theme is the clash of different power systems. In Harry Potter, there's magic, and in DC, there are super - powers. Fanfictions often explore how these two types of powers interact, whether they complement each other or cause conflict.
One common theme is power struggle. Since Harry is 'godlike', there's often a question of how much power he should have and how he'll use it in the DC universe. Another is identity. He has to figure out how his wizard identity fits in with the superheroes and villains of DC.
One common theme is the clash and融合 of different powers. Since Harry has magic from the Potter universe and then there are all the superpowers in the DC universe, how they interact and sometimes conflict is often explored.
The theme of identity is also prevalent. The fem Harry Potter has to figure out who she is in a world that has certain expectations. With the crossovers, there are additional factors that influence her identity. She might have to balance her Hogwarts self with the new elements introduced from the other fictional universes she is crossed over with.
Redemption can be a theme too. Some fanfics might have a creature that was once seen as evil or dangerous, but through its interactions with the characters in the Potter world, it gets a chance at redemption. This could be a werewolf finding a way to control its transformation and be accepted, for example.
Power dynamics are also common. Since he's submissive, there are often power struggles where he has to either submit to a more powerful entity or find ways to overcome being in a submissive position. This can involve political intrigue in the crossover world, like in a crossover with a fantasy kingdom where there are complex power hierarchies. And also, themes of self - discovery are present. As Harry is in a submissive role, he learns more about his own limits and capabilities, which is a journey of self - discovery.
Another theme is the clash of cultures. For example, if Harry is adopted into a non - magical world like a superhero universe, there will be a contrast between the magical and non - magical ways of life. It's about how Harry and the other characters adapt to this difference. For instance, in a crossover with the Marvel Universe, Harry has to learn about modern technology and superhero ethics while still having his own magical abilities and values from the wizarding world.
One common theme is the clash of different magical systems. Harry Potter has its own brand of magic with wands and spells, while Buffy has slayer powers and a different kind of magic related to demons and the supernatural. Fanfictions often explore how these two types of magic interact when the characters meet.
Power is also a common theme. In these fanfictions, the WBWL character may have different powers or a different way of using magic compared to Harry. They might have to learn to control and use their power in a world that has certain expectations based on what Harry Potter could do. And family plays a role too. How the character's family, whether it's their birth family or the family they find along the way, affects their journey in this alternate scenario is often explored.
One common theme is the clash of different cultures. For example, when Harry Potter crosses with Star Trek, the scientific and technological culture of Star Trek clashes with the magical culture of Harry Potter. Another theme is the exploration of new powers. When combined with something like the X - Men, new powers and abilities can be explored. Also, friendship often remains a key theme. No matter what world Harry enters in the crossover, his ability to form strong friendships and alliances is always important.
One common theme is the exploration of relationships. Since mpreg is involved, it often looks at how characters' relationships change and develop. For example, in many of these fanfictions, the relationship between two characters becomes deeper and more complex due to the impending birth.