I've heard of 'Potter and the Hitman's Adventure'. In this fanfic, the author takes elements from both series and creates a new plot. For example, Harry could end up learning some of Reborn's combat techniques while still using his wizardry. It's a really fresh take on cross - over fanfictions.
There's also a fanfic where the Death Eaters somehow cross paths with the Mafia in KHR. It's called 'Dark Alliances'. The story shows how the two different types of villains from each series could either clash or cooperate. It makes for a very exciting read as it keeps you guessing about what will happen next.
There are often fanfictions that blend different universes like this. In some, Green Arrow's modern - day gadgets and skills might seem out of place in the magical world of Harry Potter at first. But then, the author might find a way to make it work, like his arrows being enchanted or having special properties that can counter dark magic. It's really all about the creativity of the writer.
One great fanfic could be 'The Wizard of Camelot'. In this story, Harry Potter is magically transported to the time of King Arthur. The author cleverly blends the magic systems of both universes. Harry uses his wand in a world where Merlin's magic also exists. It's really interesting to see how he interacts with the knights of the round table.
There are many fanfictions out there that blend these two universes. Some might focus on a scenario where the technology from Captain America's world is introduced to the wizarding world. It could lead to interesting developments like using Stark - like technology to enhance magical devices or creating new ways to defend Hogwarts. Another aspect could be the moral and ethical differences between the two worlds. Captain America's strong moral code might be put to the test in the morally gray areas of the wizarding world, like dealing with dark magic and its users.
I've read one where a young wizard from the Harry Potter world gets transported to the Star Wars galaxy and discovers technomancy there. It was really cool how he used his knowledge of magic to understand and sometimes modify the technomancy devices. The story had some great battles where his spells interacted with the energy - based weapons of the Star Wars universe.
One interesting Harry Potter and Nazgul fanfiction could be one where the Nazgul somehow cross into the Harry Potter universe. Maybe they are drawn there by the dark magic that Voldemort wields. A great place to start looking for such fanfics is on fanfiction.net. There are many works that blend different fantasy elements together in creative ways.
Well, 'Metamorphmagus Encounters' is also worth checking out. In this fanfic, the Metamorphmagus element is used to explore different magical abilities and how they interact with the wizarding world. It dives deep into the lore of Metamorphmagi and their place in the Harry Potter universe. There are some really cool scenes where the Metamorphmagus uses their powers in unexpected ways.
There are some really cool ones out there. For example, some fanfictions might explore how a character from House Potter would fare in the complex and dangerous world of Westeros from Game of Thrones. They could bring magic from the Potterverse into the political intrigue of GoT.
One interesting fanfiction could be a crossover where the magic from Harry Potter meets the high - tech world of Final Fantasy 7. For example, imagine Harry and his friends being transported to Midgar and having to deal with Shinra while also using their magic. There are likely some out there that explore how the different magic systems interact, like how materia could be related to wand magic. Another aspect could be the characters' reactions to the different cultures. Harry might be shocked by the slums in Midgar, while Cloud and his group could be intrigued by Hogwarts and its secrets.
One great fem Harry Potter and Aragorn fanfiction is 'The Unlikely Alliance'. It combines the magic of the Harry Potter world with the epic fantasy of Aragorn's realm. The story has a strong female Harry Potter who teams up with Aragorn to fight a new dark force that threatens both their worlds. The character development is really well - done, and it's a page - turner.
There's a fanfic where the Cipher Wheel from Gravity Falls is found in the Room of Requirement at Hogwarts. This fanfic plays on the idea of magic being different in both worlds but still having some sort of connection. It's really interesting to see how the characters from Gravity Falls react to the more structured magic system in Harry Potter. It also has some great action scenes when they have to protect the Cipher Wheel from dark wizards who want to use its power.