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 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.
In harem fanfictions, the magic of 'Harry Potter' often interacts with the vampiric nature of 'Vampire Diaries'. For example, the wizards might use spells to protect themselves from vampires or to understand their powers better. The Hogwarts houses could also play a role, like Slytherins being more interested in the power of vampires. The harem aspect comes in when characters from both worlds are attracted to the main character, who might be a wizard or a human with special abilities.
You can start by looking on popular fanfiction websites like Archive of Our Own (AO3) or Fanfiction.net. Just type in 'Harry Potter' and 'The Vampire Diaries' in the search bar, and you'll get a list of relevant fanfictions. You can then sort them by popularity or reviews to find the good ones.
One great 'The Cure' Vampire Diaries fanfiction is 'The Search for the Cure'. It focuses on the characters' desperate attempts to find the cure and all the challenges they face along the way. The story really delves into the relationships between the characters as they're forced to work together or against each other in the pursuit of this elusive cure.
There's a fanfiction called 'Anna's Hidden Powers'. In this, the author might expand on the powers that Anna had or could have had in the Vampire Diaries. It could show her using these powers in unique ways to interact with other characters, like Damon or Stefan. Also, 'Anna's Lost Love' could be a really interesting one, focusing on a possible love interest for Anna that was never explored in the series.
Another great one is 'Kai in the Modern World'. This story imagines Kai in the present day, dealing with modern technology and a different set of social norms. It's a fun read as it shows how his old - world vampire ways clash with the new, and how he adapts to this new environment.
One popular one might be 'The Vampire's Bond in Hogwarts'. It delves into the relationship between a vampire character and a Hogwarts student. The vampire is submissive in a way that defies the common perception of their kind in the Potter universe. Another could be 'Submissive Vampire's Secret in the Wizarding World' which has an interesting plot where the vampire's submissive nature is tied to an ancient wizarding prophecy.
One great Kai Parker fanfiction is 'Kai's Redemption'. It explores a different side of Kai where he tries to make amends for his past actions. Another one could be 'Love in the Darkness' which focuses on a romantic relationship involving Kai. There's also 'Kai's New Path' that shows Kai's journey of self - discovery outside of his usual villainous role.
There are fanfictions that take the 'Drowning in Sorrow' concept and tie it to the complex relationships in The Vampire Diaries. For example, a story about a character dealing with the sorrow of a broken relationship with a vampire or a werewolf. They often have detailed descriptions of the character's pain and how they try to overcome it. These fanfictions can be really engaging as they add a new layer of depth to the existing characters and relationships from the show.
One popular 'Black Lemons' Vampire Diaries fanfiction might be the one that focuses on a unique love triangle involving the main characters. It could add new twists to the existing relationships in the Vampire Diaries universe.