Another interesting aspect is the exploration of new relationships. Imagine Harry Potter being friends with Elena Gilbert. Fanfics can develop relationships that were never possible in the original stories. This can lead to some really heart - warming or heart - breaking moments depending on how the author writes it. It also gives a chance to explore different character arcs for the beloved characters from both series.
I really like 'A Magical Merge'. In this fanfic, the Hogwarts students find themselves in Mystic Falls for some reason. It plays with the idea of how the wizards would react to vampires and werewolves. There are some great character development arcs, especially for characters like Elena who has to adapt to this new world of magic wands and spells. It also has some really cool fight scenes between the vampires and the dark wizards.
There's a fanfic called 'Mystic Hogwarts'. In this story, the settings of Hogwarts and Mystic Falls are merged. You'll see Harry Potter characters facing the challenges of the Vampire Diaries world like dealing with vampires and witches in a different context. It's really exciting as it creates new dynamics between the characters from the two franchises.
One interesting fanfiction could be about a wizard from 'Harry Potter' ending up in the world of 'The Vampire Diaries' and having to navigate the different magical rules and vampire politics. Maybe they form an alliance with the Salvatore brothers to fight against a common dark magic threat.
Love and friendship are also common themes. Characters from both universes form new relationships. In many fanfictions, a character from Harry Potter might fall in love with a vampire from Vampire Diaries. And the friendships that cross the boundaries of the two worlds are also explored, like how a wizard and a vampire could become friends despite their differences.
One common theme is the struggle between good and evil. Just like in the original works, in these fanfictions, the female characters often face dark forces. In the context of both universes, this could be Voldemort's followers in Harry Potter and the various vampires with malicious intents in Vampire Diaries.
One great 'Harry Potter' and 'Vampire Diaries' harem fanfiction could be 'The Magical Crossover'. It combines the magical elements from both worlds really well. The characters from 'Harry Potter' like Harry and Hermione interact with the vampires from 'Vampire Diaries' in a really interesting way. There's also 'A World of Magic and Vampires' which has a unique plot where the Hogwarts students end up in the 'Vampire Diaries' town and form relationships in a harem - like setup.
One interesting fanfiction could be a crossover where characters from both universes meet. For example, imagine Hermione meeting Damon Salvatore. Another could be a story that delves deeper into the backstories of minor characters in both series. There are also fanfictions that rewrite certain plot points in a more creative way, like if Voldemort was somehow related to the original vampire bloodline in Vampire Diaries.
One common theme is the clash of different supernatural powers. Since Harry Potter has magic and Vampire Diaries has vampires, werewolves, and witches, the fanfiction often explores how these powers interact. Another theme is the cultural differences between the two worlds. For instance, the way Hogwarts functions compared to the social structure in Mystic Falls.
One popular trope is the 'character swap'. For example, having Harry Potter end up in the 'Vampire Diaries' world and having to deal with the vampire politics there. It's interesting to see how his Gryffindor courage plays out in a different setting. Another is the'magic - mix' trope where the magic from both universes combines in unexpected ways. Like using a spell to control a vampire or a vampire's blood having some sort of magical effect on a wizard.