Well, I really liked a fanfic called 'Magic and Fangs'. In this story, the magic system from 'Merlin' somehow gets intertwined with the vampire lore of 'Vampire Diaries'. It's really interesting to see how the characters adapt to this new situation. There's also a fanfiction where Elena from 'Vampire Diaries' meets Merlin and they form an unlikely alliance to fight a common enemy that is threatening both their worlds.
One great 'Merlin' and 'Vampire Diaries' fanfiction is 'The Crossover Chronicles'. It combines the magic of Merlin's world with the vampiric allure of 'Vampire Diaries'. The author does an amazing job of bringing characters from both universes together in a believable way. Another one to check out is 'Merlin in Mystic Falls' which has Merlin arriving in the town of Mystic Falls and getting involved in all the supernatural drama there.
A fanfiction that stands out is 'The Merged Worlds'. It imagines a scenario where the worlds of 'Merlin' and 'Vampire Diaries' are merged. Arthur from 'Merlin' has to deal with the vampires in this new world, and Stefan from 'Vampire Diaries' is intrigued by the different kind of magic Merlin wields. It's full of action, drama, and some really cool character interactions.
One great Naruto x Vampire Diaries fanfiction is 'The Ninja and the Vampire'. It combines the unique powers from both universes in an interesting way. The story has Naruto somehow ending up in the Vampire Diaries world and interacting with the characters there. It's really cool to see how he uses his ninja skills in a world full of vampires and witches.
One interesting Naruto and Vampire Diaries harem fanfiction could be 'The Crossover Bond'. In this fic, the main character from Naruto somehow ends up in the Vampire Diaries' world and forms a unique bond with the characters there, leading to a harem - like situation. Another good one might be 'Mystic Ninja', where the ninja skills from Naruto are combined with the supernatural elements of Vampire Diaries in a creative way within the harem concept.
One great 'Vampire Diaries' male self - insert fanfiction is 'A New Life in Mystic Falls'. It has an interesting plot where the male self - insert character arrives in Mystic Falls with a unique power. Another is 'Into the Vampire World' which really dives deep into the relationships between the characters and how the self - insert adapts to the vampire - filled environment.
One popular fanfiction with this theme might be 'The Resurrected Sister's Revenge'. It delves into how the sister's resurrection changes the dynamics among the characters. She might have new powers or a different perspective on the vampire - human - witch world in Mystic Falls.
One great Vampire Diaries and Lucifer fanfiction is 'The Crossover Realm'. It combines the dark, brooding nature of Lucifer with the supernatural world of Vampire Diaries in a really interesting way. The characters interact in a unique setting that keeps you hooked.
One great Hermione Granger and Vampire Diaries fanfiction is 'The Crossover Chronicles'. It combines the magic of Hermione's world with the supernatural elements of The Vampire Diaries in a really interesting way. The author does a great job of making the characters interact in a believable setting.
I really liked 'Crossed Paths'. In this fanfic, Castiel gets sent to Mystic Falls by accident. He teams up with Elena and Damon to fight off a group of rogue werewolves that are being controlled by a cross - dimensional witch. It's interesting to see how Castiel's angelic powers are perceived in the Vampire Diaries' world, and how he adapts to deal with the vampires and other supernatural beings there.
One interesting fanfiction could be where the Gilbert sister discovers a hidden power within herself that links her to the vampire world in a unique way. Maybe she has the ability to see the true nature of vampires, even when they are using their compulsion. This could lead to all sorts of interesting plot twists as she gets involved with the main characters of the show.
One interesting fanfic could be where Daenerys Targaryen somehow ends up in the world of 'The Vampire Diaries'. Maybe she uses her dragons to intimidate the vampires. It could be a story full of power struggles between her and the vampire factions in Mystic Falls.
One popular male self - insert fanfiction in 'The Vampire Diaries' universe might be 'A New Beginning'. It has an interesting take on a male character being inserted into the story. He interacts with the main characters in unique ways, like befriending Stefan and having a complex relationship with Damon. It's a great read if you like seeing new perspectives added to the show's existing plotlines.