One great 'lost crossover fanfiction' could be one that crosses 'Lost' with 'Stranger Things'. It might involve the mysterious island having some sort of connection to the Upside Down. Maybe the smoke monster has a similar origin to the Demogorgon. Another interesting one could be a crossover with 'The X - Files'. The agents Scully and Mulder could be brought to the island to investigate its strange phenomena.
There could be a 'lost crossover fanfiction' where 'Lost' crosses with 'Supernatural'. Sam and Dean Winchester might come to the island to hunt down some sort of supernatural entity that is related to the island's mysteries. It could be a demon or some other evil force that has been causing all the strange happenings on the island.
A really engaging 'lost crossover fanfic' is 'The Lost Crossover Adventure'. In this one, the 'Lost' survivors find themselves in a crossover situation with a classic sci - fi world. It's full of action and adventure as they navigate this new and strange world, all while trying to find a way back to their own. There are some really cool plot twists and great character interactions that make it a must - read for fans of both 'Lost' and crossovers.
There's also 'Lost Planet and Mass Effect Crossover'. In this fanfiction, the story often plays around with the different species and technologies from both universes. It delves into how the characters from Lost Planet would interact with those from Mass Effect, like the Krogan and the Lost Planet's Akrid. The plot usually involves some sort of joint mission against a common threat that combines the elements of both games.
One great 'Merlin lost fanfiction' could be those that explore what would have happened if Merlin had revealed his magic earlier. For example, a story might show how Arthur would have reacted and how it could have changed the whole dynamic of Camelot.
One idea could be a crossover with 'Buffy the Vampire Slayer'. The two strong female leads from each show could team up to fight a common supernatural enemy. Maybe they meet in a dimension where both their worlds collide.
One popular 'Twilight and Lost Boys crossover fanfiction' might be 'The Hybrid Chronicles'. It often combines the vampire lore from both universes in an interesting way. Another could be 'Mystic Encounters' which delves into the interactions between the Cullens from Twilight and the Lost Boys. There are also some that focus on a new character who gets caught in the middle of the two groups, like 'Caught Between Two Worlds'.
There's a fanfiction called 'Bella and the Lost Boys: A New Adventure'. In this one, Bella's character is developed further as she interacts with the Lost Boys. It's full of action and some really cool character dynamics. The author does a great job of making the crossover feel natural.
A popular 'Atlantis: The Lost Empire Crossover Fanfiction' is the one with 'Pirates of the Caribbean'. It sets the story in a world where the lost city of Atlantis is discovered during the age of piracy. The adventure elements from both are merged, and you get to see the Atlantis characters deal with pirates and vice versa. It has a lot of action and some really fun dialogue.
One great 'drarry crossover fanfiction' is 'Drarry in the Wizarding World of Avatar'. It combines the magical elements of the Harry Potter universe with the unique world - building of Avatar. Another interesting one is 'Drarry and the Time - Traveling Adventure', where Draco and Harry are thrown into different time periods and have to work together. There's also 'Drarry Meets the X - Men', which is a really cool crossover that imagines how Draco and Harry would interact with the mutants from the X - Men universe.
There might be a Stitchers crossover fanfiction where they cross with 'Sherlock'. Kirsten's stitching is like a high - tech version of Sherlock's deductive mind - reading. They could team up to solve a case that involves a very elusive criminal. Kirsten could provide the scientific insights from stitching while Sherlock uses his brilliant logical reasoning.
Well, a popular saix crossover fanfiction could be the one where he crosses over into the Final Fantasy universe. Saix's character could be paired with characters like Cloud or Squall. The contrast between his world and the FF world would make for an interesting story. There could be battles against powerful FF monsters and his relationships with the FF characters could be explored, like whether he becomes an ally or an enemy. And also, a 'Saix and Avatar: The Last Airbender' crossover might be cool. He would have to deal with bending and the different nations.