You can start by searching on popular fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. Use relevant tags such as 'crossover' along with the names of the two or more fandoms you're interested in. For example, if you like 'Lord of the Rings' and 'Game of Thrones' crossovers, search for those tags.
Checking out fan - made best - of lists can also be helpful. Some websites compile lists of the top crossover fanfictions based on reader ratings and reviews. However, keep in mind that everyone's taste is different. So, it's a good idea to read the summary and a bit of the story first to see if it appeals to you.
One great 'Thrawn Crossover Fanfiction' is the one where Thrawn is crossed with the Star Trek universe. It's really interesting to see how his strategic mind works in a different sci - fi setting.
One great 'Darkseid Crossover Fanfiction' is the one where he crosses over with the Justice League. It shows an epic battle between Darkseid and the combined might of the League. The story really dives into Darkseid's motives and how the League has to adapt to his new threat.
One great 'Sandman Crossover Fanfiction' is the one that combines Sandman with Neil Gaiman's 'American Gods'. It's fascinating as it explores the different mythologies and how the Dream Lord from Sandman might interact with the gods in 'American Gods'. The author does a wonderful job of weaving the two complex universes together, creating a story full of mystery and intrigue.
I'd recommend 'Starcraft 2 Meets Mass Effect: A Crossover'. In this fanfiction, the races of Starcraft 2 come across the species from Mass Effect. The author does a great job of exploring how the different technologies and cultures would mesh. For example, the Zerg's hive - mind mentality is contrasted with the more individualistic species in Mass Effect, which makes for a really engaging read.
I really like the fanfiction 'Digimon Crossover: Digital Dimensions'. In this story, Digimon from different universes are accidentally brought together in a strange digital dimension. It has great character development as the Digimon and their partners have to learn to work together despite their differences. A more action - packed one is 'Digimon: Cross - World Battle Royale' where Digimon from all over are forced to fight in a no - holds - barred battle. And then there's 'Digimon and Yu - Gi - Oh: Dueling in the Digital World' which is a really creative crossover with Yu - Gi - Oh characters ending up in the Digimon world and having to use their skills in a whole new context.
One great 'Sasuke Crossover Fanfiction' is 'Sasuke in the World of Harry Potter'. It combines the ninja world of Sasuke with the magic of Hogwarts. Sasuke's skills and his complex personality make for an interesting dynamic in the wizarding world.
There's a 'GotG Crossover Fanfiction' that involves crossing over with the Star Wars universe. In this, the Guardians find themselves in a galaxy far, far away. It plays on the similarities between the two space - based settings. The characters interact in really interesting ways, like Rocket having a sort of rivalry with Chewbacca over who's the better furry sidekick.
There's a cool crossover fanfiction that pairs Ganondorf with the Dragon Ball Z world. In this story, Ganondorf tries to assert his dominance in a universe filled with super - powered Saiyans and other strong beings. It's fascinating to see how his magic stacks up against their ki abilities.
A great moment is when they combine their Personas' powers. Imagine the unique abilities of Persona 4's personas merging with those of Persona 5 in a battle against a common enemy. It's like a display of a whole new level of combat strategy that makes the crossover fanfiction exciting.
One great 'Warhammer 40000 Crossover Fanfiction' is the one where it crosses with Star Wars. It's really interesting to see the Imperial Guard facing off against Stormtroopers. The different combat styles and ideologies make for a great read.
Well, a really well - written Meliodas crossover fanfiction is 'Meliodas in the One Piece World'. The story shows how he would get along with the Straw Hat crew. His devilish nature and Luffy's carefree attitude make for some hilarious moments. 'Meliodas and the Attack on Titan World' is also quite good. It explores how his combat skills could be used against the Titans. And don't forget about 'Meliodas in the DC Universe' where he could potentially face off against Superman or Batman.