One interesting fanfiction could be where Rosalie Hale somehow gets transported into the Harry Potter world. Maybe she uses her vampire abilities to help Harry in a battle. For example, her super strength and speed could give them an edge against the Death Eaters.
A really cool fanfiction idea could be that Rosalie is a long - lost relative of a wizarding family in the Harry Potter universe. She has to hide her vampire nature while trying to fit into the magical society and ends up having adventures with Harry and his friends.
Yes, there are some. You can start by looking on popular fanfiction websites like Fanfiction.net or Archive of Our Own. Just search for the specific pairing in their search bars.
They could interact through a magical accident. For instance, a spell gone wrong could open a portal that brings Rosalie into Harry's world. Then they'd have to figure out how to get her back while also dealing with the threats in the wizarding world like Voldemort.
The plot could involve Rosalie sensing that Harry has a special power that is not just related to his wizardry. She decides to adopt him to keep him safe from the dark forces in both the wizarding world and the vampire world. Rosalie would have to deal with the magical aspects of Harry's life that she doesn't fully understand at first. But with time, she helps him hone his skills. Harry, in turn, might introduce Rosalie to the concept of love and friendship in a way that vampires don't usually experience. This could lead to a change in Rosalie's view of the world and her place in it.
One plot idea could be that Rosalie somehow ends up in the Harry Potter universe. She might initially be a bit of an outcast due to her vampiric nature but Harry is intrigued by her. They gradually form a bond as they face some common enemies.
There's also 'Rose and Harry's Magical Journey'. In this fanfiction, the author focuses on their adventures outside of Hogwarts. They face new and dangerous dark magic threats together. The relationship between them develops gradually as they rely on each other for survival. It has some really exciting plot twists that keep readers engaged.
One interesting plotline could be Rosalie and Bella becoming best friends and helping each other out in the vampire - human world. For example, Rosalie could teach Bella how to better defend herself against other vampires using her own unique skills. Another plotline might be them teaming up to change some of the rules in the Cullen family. Maybe they work together to make it easier for Bella to be more involved in vampire matters without always being in danger.
One interesting Harry Potter 1945 fanfiction could be about the early days of Hogwarts and how the magical world was different back then. Maybe it focuses on the founding of certain magical traditions that we see in the main series but are not fully explored. For example, it could detail how the houses were originally established and what the selection criteria were like in 1945.
Perhaps in the fanfiction, Rosalie has a premonition about Harry's future battles. She decides to travel to the wizarding world to warn him. Along the way, she has to adapt to the strange wizarding customs. Once she meets Harry, they initially have some misunderstandings due to their very different backgrounds. But as they get to know each other better, they form an alliance to face the upcoming danger together. Harry learns to see vampires in a new light, and Rosalie discovers the beauty of the wizarding world's magic.
In some fanfictions, Smart Potter is not just book - smart but also socially smart. He uses his intelligence to understand the political undercurrents in the wizarding world. He might form alliances with different houses and magical creatures to bring about a more inclusive and harmonious wizarding society, all while still being a student at Hogwarts and dealing with his regular classes.
One interesting fanfiction could be 'Ginny's Hidden Adventures'. In this, Ginny might go on a secret quest while Harry is away on Auror business. It could show her as a strong and independent witch, using her skills to solve mysteries in the wizarding world.