It's hard to say exactly who the main characters would be without reading the specific 'broken dragon fanfic'. But most likely, the broken dragon itself would be a main character. There could also be a healer character, someone who tries to help the dragon recover from its broken state.
Well, in a 'broken dragon fanfic', the dragon is surely one of the main characters. Additionally, there could be a group of characters. For example, a tribe of elves who live near the dragon's lair. They might be initially afraid of the broken dragon but later come to understand its situation and offer their help. There could also be a dragon - slayer - turned - protector character. This person was once out to kill dragons but after seeing the broken state of this particular dragon, has a change of heart and becomes its ally.
The main characters in a 'broken dragon fanfic' might include the dragon, of course. There could be a young adventurer who discovers the broken dragon and decides to help it. And perhaps there is an antagonist, like a dark wizard who was the one that caused the dragon to be in its broken state in the first place. The story could revolve around the interactions between these characters, with the adventurer trying to protect the dragon from the wizard while also helping it heal.
In a 'betrayed but not broken fanfic', the main characters could vary depending on the genre. In a mystery - based fanfic, it could be the detective character who is betrayed by a fellow investigator. This betrayal could add an extra layer of complexity to the mystery they are trying to solve. Or in a historical fanfic, it could be a noble character betrayed by a courtier, and the story would then revolve around how the noble copes with this in the context of the historical setting, with all its political and social implications.
Sometimes, the fanfic author might introduce new characters. These new characters could be commoners who get caught up in the political intrigue of the broken throne. They could serve as a fresh perspective and add new layers to the story. For example, a young peasant who becomes an unlikely ally to the main character.
I don't know the main characters as the name 'squad broken fanfic' doesn't give that away. It could be characters from an existing franchise that has a squad concept, like the Avengers in a Marvel - related fanfic, but without more details it's impossible to say for sure.
I'm not sure as there's not enough information given. It could be original characters created by the fanfic writer, or it could be characters from an existing franchise that the fanfic is based on and who are somehow related to the idea of broken roses.
Most likely, it would include the main characters from the Potter series like Harry Potter himself. Since it's about a broken alliance, his friends Ron Weasley and Hermione Granger would probably be involved as well. There could also be other important characters from Hogwarts or the wizarding world, such as Dumbledore or Snape, depending on the nature of the broken alliance.
Since it's a fanfic, it could potentially feature any of the main characters from the 'Bleach' series. So, Ichigo Kurosaki could be one of the main characters, as he is the protagonist of the original series. Rukia Kuchiki might also be a main character, as she has a significant connection to Ichigo. Additionally, characters like Uryu Ishida, Orihime Inoue, and Chad could also be main characters depending on the focus of the fanfic.
I'm not sure specifically as it depends on the fanfic. But it could potentially still have Alucard as a main character. Since he is a central figure in the Hellsing series, the fanfic might focus on his reaction to a 'bitten and broken' situation, maybe one of his subordinates or an enemy. Another possibility could be Seras Victoria, who has her own journey of transformation in the original series and could be further explored in this 'bitten and broken' context.
Since it's a fan - made concept, the main characters could be some of the less - known characters from the Naruto universe who get a chance to shine in this broken - universe scenario. For example, Rock Lee could be a key figure, using his unique taijutsu skills to navigate the chaos. Or perhaps some of the older generation like Kakashi could be guiding the younger ones through the mess.
I don't know for sure as it depends on the specific fanfic. It could be a main character from the original My Hero Academia series who is put in a new and difficult situation that makes them 'broken but not defeated'.
A young adventurer could also be a popular character. They might start out fearing the broken dragon but then form an unlikely bond with it, and together they face many challenges in the fanfiction world. This character can add a human perspective and a sense of growth and discovery to the story.