A mystery - based plot could be interesting. Strange disappearances occur in a village only under the blood moon twilight. The main character, a detective - like figure, has to solve the mystery before more people vanish.
One idea could be a forbidden love story. A character from a light - loving clan falls in love with someone from a clan associated with the blood moon. Their relationship has to be kept secret as their clans are at odds.
One idea could be exploring a different perspective of Jacob's transformation. Maybe focus on his internal struggle in a more in - depth way than in the original. For example, how he really feels about his new identity and its impact on his relationship with Bella from his own point of view.
One idea could be a story where a group of adventurers has to complete a quest during the blood moon. They face strange and powerful creatures that only emerge during this time. The blood moon's red glow could have some sort of magical effect on their abilities, either enhancing or hindering them.
One idea could be exploring a new vampire character's struggle between their bloodlust and their growing feelings for a human in the Twilight universe. This could add a fresh perspective to the existing themes of love and danger.
Maybe a plot where the werewolves and vampires in 'Blood and Glory Twilight Fanfiction' have to team up against a common, more powerful enemy that threatens both their existences. This would force them to overcome their long - standing enmity and find new ways to coexist.
A werewolf might be a great main character. He is cursed and during the blood moon twilight, he has to struggle to keep his humanity while also protecting his pack from hunters who are more active during this time.
One idea could be a story from the perspective of a minor character in the Twilight series, like a werewolf from a different pack who has an encounter with the Cullens. It could explore how they view the vampires and their relationships in Forks.
Perhaps a love triangle could be created in the crossover fanfiction. A female character from 'Twilight' could fall in love with a vampire from 'True Blood' while also having feelings for a character from her own world. This would create a complex web of relationships and loyalties, and the different vampire abilities and cultures from both series would add depth to the story.
One idea could be a vampire from True Blood visiting Forks from Twilight and causing chaos among the Cullen family. Maybe they have different views on how to co - exist with humans and it leads to a big conflict.
One idea could be a new vampire character arriving in Forks who has a unique power that disrupts the existing power dynamics between the Cullens and other vampires. For example, this new vampire might be able to manipulate time briefly, which could lead to some really interesting situations like preventing certain events from the original 'Twilight' series from happening or changing the way characters interact.
Another plot could be a time - travel twist. A character accidentally travels back in time and has to navigate the world of Nightfall Twilight in a different era. They might meet younger versions of the main characters and change the future in unexpected ways.