The Handler's relationships are key. If in the fanfiction she forms an unexpected bond with one of the Umbrella Academy members, it can be a turning point for her character. Maybe she starts to see the value in the Academy's unorthodox ways and questions the Commission's strict regime. This new relationship could force her to re - evaluate her loyalties and goals, creating a believable and engaging character arc.
A great plot could be that The Handler gets amnesia. Losing her memory, she has to rely on the kindness of the Umbrella Academy members she once opposed. This forces her to see them in a new light and also makes her question her own actions. It could lead to a journey of self - discovery for her within the world of the fanfiction.
One common theme is time - travel. Since the show has elements of time - travel, many fanfictions explore it further. Another is the relationships between the siblings, like their reconciliations or new conflicts.
You can start by looking on Archive of Our Own (AO3). It has a vast collection of 'Umbrella Academy' fanfictions, including many focused on Five. The site has a great search function that allows you to filter by character, genre, and more.
There's also a fanfic called 'Five and the Mysterious Portal'. This one combines Five's ability to jump through time and space with a new, mysterious element that adds a whole new layer of intrigue to his story. It's full of action and unexpected twists that keep you hooked from start to finish.
One great Klaus 'Umbrella Academy' fanfiction is 'The Ghostly Encounters of Klaus'. It delves deeper into Klaus's relationship with the spirits he can see and communicate with. It adds more emotional depth to his character.
One great 'Umbrella Academy Luther Fanfiction' is 'Luther's Redemption'. It delves deep into Luther's character, exploring his insecurities and his journey towards self - acceptance outside of his superhero identity. The story has well - written dialogues that really bring out the essence of Luther's complex personality.
There's also a fanfic called 'Klaus and the Mysterious Artifact'. In this story, Klaus stumbles upon an ancient artifact that seems to have a strange connection to his family's past. It's full of adventure and mystery, and the author does a great job of writing Klaus' character as both humorous and complex.