One idea could be exploring the backstories of the minor characters in more detail. For example, what led them to be in that situation in the game? Another could be creating an alternate ending where some of the characters survive and have to deal with the aftermath in a different way.
You could write a fanfiction that focuses on the relationship between two characters that was not fully explored in the original. Maybe there was a hint of a friendship or a rivalry, and you can expand on that. For instance, if there were two soldiers who seemed to have a bit of a competitive streak, you can show how that evolved during their time in the House of Ashes.
One idea could be exploring the backstory of a minor character in Heart of Ashes. For example, a sidekick who has their own hidden motives and a complex past that is only hinted at in the original. Another could be a 'what if' scenario, like what if the main character made a different choice at a crucial moment. This could lead to a completely different plotline.
One idea could be exploring a side character's backstory in more detail. For example, the character who is a minor in the original trilogy but has a lot of potential for a deeper story. Maybe they have a secret past that ties into the main plot in unexpected ways.
One idea could be a character who has lost everything in a great disaster but then discovers a hidden power within themselves and uses it to rebuild their world. For example, a hero who thought they were powerless until they find out they can control an element like fire which helps them rise from the ashes.
There are many. Some might focus on character backstories not fully explored in the original. For example, a fanfiction could delve into the early days of a character's training.
One idea could be a story where the Loud siblings discover a hidden attic in their house that leads to a magical world. Another could be a fanfiction focusing on Lincoln's adventures in a parallel universe where he has different superpowers. Maybe a story about the sisters teaming up to start their own band.
Well, you could write a 'the owl house fanfiction' about a mystery that involves the Owl House itself. Like, there could be a hidden room in the house that no one knows about and Luz discovers it. Or, you could focus on the relationships between characters in a different way. For instance, write about Eda and Lilith's relationship when they were children. Also, a fanfiction where the characters have to face a new and unknown type of magic would be interesting.
One idea could be a prequel fanfiction that shows how the house became a monster in the first place. Maybe there was a dark magic spell cast upon it long ago.
Well, in 'Ashes to Ashes' Avatar fanfiction, a great concept could be the exploration of the spiritual side of the Avatar world in more depth. Maybe there are stories about spirits that we haven't seen much in the original series. Also, it could be about the characters dealing with the aftermath of the main events in the series, like how they rebuild their lives and communities.
You could write a fanfic where the 'ashes ashes we all fall down' is part of a children's game that has a dark and mysterious origin. The main character discovers that the game was once used to sacrifice people in an ancient ritual. Or, make it a time - travel story. A person travels back in time and realizes that the phrase was a prophecy in a long - forgotten era, and they must prevent the events that lead to the 'fall down'.
In some fanfiction, there might be a plot where Claire Underwood has a female rival within the political arena. This could lead to intense power struggles between the two women, with Claire having to use all her wits and charm to outmaneuver her opponent. There could be a lot of political intrigue, back - stabbing, and strategic moves.