What are some interesting plot ideas for a 'Harry Potter x Charlie Swan Twilight' fanfiction?

There could be a story where Charlie Swan adopts a magical creature that has escaped from the wizarding world. He doesn't know it's magical at first but then realizes it when strange things start to happen around his house. He then has to figure out how to return the creature to its proper place in the wizarding world without getting into trouble with the Ministry of Magic.

The Volturi could be a main antagonist. They might see the intrusion of the wizarding world into their territory as a threat to their power and secrecy. They could try to eliminate Harry Potter and Charlie Swan to protect their vampire - centric world in Forks.

One idea could be that Hermione, through some magical mishap, ends up in the world of the Twilight series where she meets Charlie Swan. She could use her magic to help solve some of the strange occurrences in Forks that are related to the vampires and werewolves, but has to keep her magic a secret from Charlie at first. They gradually form a friendship as he notices her unique abilities in other ways.

One interesting fanfiction could be about Charlie Swan's perspective during Bella's transformation. It might explore his internal struggle of seeing his daughter turn into a vampire. Another could be a story where Charlie discovers the world of the supernatural much earlier and has to deal with it secretly. And there could also be a fanfic that focuses on Charlie's past and how it influenced his relationship with Bella.

A possible plot for the 'Harry Potter and Bella Swan fanfiction' could be that Bella is actually a long - lost relative of a powerful wizarding family in the Harry Potter universe. When she discovers this, she travels to the wizarding world to learn more about her heritage. There, she meets Harry Potter, who is intrigued by her strange abilities. Together, they embark on a journey to uncover the secrets of her family's past and, in the process, they face challenges from those who don't want the secrets revealed. This journey could involve exploring ancient wizarding ruins, deciphering old spells, and facing off against dark forces.

One interesting 'Harry Potter Charlie Swan' fanfiction could be one where Charlie Swan discovers the wizarding world of Harry Potter. Maybe he stumbles upon a magical creature in the forests near Forks and that leads him to Hogwarts. It could be a story full of adventure as he tries to understand this new world while still maintaining his connection to his life in Forks.

One idea could be that the vampires in Twilight are discovered by the wizarding world in Harry Potter. The wizards might be intrigued and cautious at the same time. They could study the vampires' immortality and special abilities, while the vampires might be interested in the magic that wizards possess.

One idea could be a wizard from the Harry Potter world accidentally stumbling into Forks. Maybe he has some unique magic that the vampires in Twilight are intrigued by. For example, he could have a spell that reveals the true nature of vampires in a new way, causing chaos and new alliances.

Another plot could involve a crossover of villains. A dark wizard from the Harry Potter universe teams up with a criminal that the NCIS has been chasing. Harry Potter and the NCIS agents then have to join forces to stop this unholy alliance. They would need to combine their skills, with the wizards using magic and the agents using their detective and combat skills.

One plot idea could be Tonks helping Harry to master some of the more difficult Patronus spells. Since Tonks is a skilled witch, she could offer unique insights and training methods. Another idea is that they go on a secret mission together to find out more about Voldemort's hidden lairs. They might have to use Tonks' Metamorphmagus abilities to their advantage.