Can you recommend some good twilight supernatural crossover fanfiction?

Sure. 'The Cullen Chronicles' is a great Twilight fanfiction. It delves deeper into the lives of the Cullen family. For Supernatural, 'The Winchester Legacy' is quite popular. It continues the adventures of the Winchester brothers in an interesting way. Another Twilight one is 'Bella's New Path' which gives Bella a different journey than in the original story.

One great twilight crossover fanfiction is 'Twilight and Harry Potter: A Magical Crossover'. It combines the vampire - werewolf world of Twilight with the magic of Harry Potter in an interesting way. The characters interact in unexpected scenarios, like Bella meeting Hermione and comparing their different worlds.

One great Supernatural Castiel crossover fanfiction is 'Castiel in the World of Harry Potter'. It has an interesting plot where Castiel finds himself in Hogwarts and has to deal with the magical world while still being an angel. It's really exciting to see how he interacts with the characters there.

One great 'supernatural charmed crossover fanfiction' is 'The Crossover Chronicles'. It combines the dark and spooky elements of 'Supernatural' with the witchy world of 'Charmed' in a really interesting way. The characters from both shows interact in a believable manner, like Sam and Dean meeting the Charmed sisters and working together to fight a common supernatural threat.

Sure. You can start by looking on fanfiction.net. There are often many great crossovers there. Just search for 'xander supernatural crossover' and you'll find a bunch of different stories with different plotlines.

One great Arrow Supernatural crossover fanfiction is 'The Hunters and the Hood'. It has an exciting plot where the characters from both shows team up to fight a common supernatural threat in Star City. The way the author combines the gritty, crime - fighting world of Arrow with the spooky, otherworldly elements of Supernatural is really engaging.

One popular 'supernatural lucifer crossover fanfiction' is 'Lucifer in the World of Supernatural'. It often has interesting plotlines where Lucifer's powers and motives are explored in the context of the Supernatural universe.

One great 'supernatural shadowhunters crossover fanfiction' is 'The Convergence'. It has an interesting plot where the characters from both universes team up to fight a common enemy. The way the author blends the two worlds' mythologies is really engaging.

There's a great piece of fanfiction titled 'When Lucifer Meets the Supernatural Crew'. In this story, Lucifer's powers and his motives are explored in the context of the Supernatural universe. It delves deep into how his presence could change the existing dynamics of the show. The author does a wonderful job of weaving the two concepts together, making it a must - read for fans of both Lucifer and Supernatural.

There are quite a few out there. 'Hetalia and Supernatural: A Crossover of Worlds' is a fanfiction that really delves into how the different nations in Hetalia would react to the existence of the Supernatural things like demons and angels. It's really cool because it not only has the action and adventure from Supernatural but also the political and cultural aspects from Hetalia. For example, how America might try to take charge in a situation involving a powerful demon, while England is more cautious due to his long history with magic - related things.