What are some interesting plot ideas for City of Glass fanfiction?

One idea could be exploring Celaena's life before the events of the main series. Maybe her training with a different, more secretive mentor. Another could be a story where she has to team up with her enemies from the series for a common greater threat. For example, the king's men and Celaena having to work together to stop a dark magic invasion.

One idea could be exploring Celaena's further training in a more in - depth way. Maybe she discovers a new, ancient form of magic during her training that she has to master. Another could be a love triangle that gets more complicated, with a new character entering the fray and causing tension between Celaena and her existing love interests.

Well, perhaps in the 'Naruto Castle of Glass Fanfiction', the Castle of Glass is actually a creation of an old and forgotten clan. Naruto and his team could be on a mission to find out more about this clan and the purpose of the castle. They might encounter various traps and puzzles inside the castle. And as they progress, they learn that the castle has a connection to Naruto's own family history, which adds an extra layer of mystery and importance to the whole adventure.

One idea could be Celaena as the new student at high school who is secretly a badass assassin in training. She gets involved in a mystery where students are disappearing and she uses her skills to solve it. Another could be a high school version of the Throne of Glass tournament, where students compete in various challenges like in the books.

A plot could revolve around Celaena and Chaol getting caught in a time - warp. They find themselves in a different era of their world and have to adapt while also trying to find a way back. Along the way, they learn more about their own relationship and the history of their land. Also, a plot where they are forced to work with an old enemy to stop an even greater threat to their kingdom.

One plot idea could be Fenrys on a solo mission to a far - off land in the Throne of Glass world. He discovers a hidden tribe with unique magic that could either be a great ally or a dangerous foe for his cause. Another could be a love story where Fenrys falls for a commoner, and they have to navigate the class differences and political unrest in the kingdom. Maybe a plot where Fenrys is framed for a crime he didn't commit and has to clear his name while also dealing with the real culprit who is trying to stir up chaos in the court.

One idea could be a fanfiction that focuses on an alternate ending where the main character makes a different choice at a crucial moment. Maybe she decides not to trust a certain ally and it completely changes the course of the story.

Another plot could revolve around a mystery within Ember itself. For example, there could be a hidden message in the Builders' instructions that no one has discovered yet. The characters would then embark on a journey to decipher it, which could lead to revelations about the city's true purpose and future.

One idea could be a story about a rare dragon in Dragon City that has the power to communicate with humans. The dragon teams up with a young trainer to save the city from an evil force that wants to steal all the dragons. Another could be a fanfiction where a group of dragons from different elements form a secret society within the city.

One idea could be a 'what if' scenario where Abbi and Ilana travel to a different country and have to navigate using only their street - smart skills. Another could be a time - travel plot where they go back to their college days and see how different things were.