Well, Harry Potter himself is likely to be one of the main characters. He might be involved in the rebuilding of the wizarding world or dealing with the after - effects of the war. Hermione Granger would probably also be a main character, using her intelligence to help solve new problems that arise.
There could also be new characters introduced in the fanfic who become main characters. For example, a young wizard or witch who discovers a hidden power during the aftermath. This character could then team up with the original Harry Potter gang to face new challenges in the wizarding world that are a result of the war's aftermath.
Often, we also see new characters being introduced. For example, a young sorcerer who Merlin takes under his wing. This new character can act as a sort of foil to Merlin, showing how much he has grown and changed. And sometimes, we might see the return of Morgana in a different form, either as a spirit guiding Merlin or as an enemy he has to face one last time. It all depends on the direction the fanfic author wants to take.
I don't know for sure as I haven't read this particular fanfic. But it could have the main character be an original creation with the 'lionheart' trait, or it might center around a well - known Harry Potter character like Harry himself with some new 'lionheart' - inspired story arc.
Well, in many Harry Potter fanfics, even those named 'the change', the main characters often include Harry, Hermione, and Ron. However, depending on what the 'change' is about, new characters could be introduced or existing minor characters could be promoted to main character status. For example, if the change is about the Slytherin house becoming more inclusive, we might see Draco Malfoy taking on a more central role in the story, along with the usual trio.
It could be a Muggle - born protega. This character would face unique challenges as they try to protect the wizarding world while also dealing with their own identity issues. They might have friends among the Hogwarts students, and together they form a group to counter a new evil force that targets both Muggles and wizards.
Without reading it, it's hard to say. But it could feature the main characters from the original series like Harry, Hermione, and Ron as they are usually central in most Harry Potter fanfics. They might be the ones trying to solve the conundrum.
Since it's a fanfic, the main characters could be a mix of new and existing characters from the Harry Potter world. Maybe it has Harry, Ron, and Hermione in some sort of mentoring role to the new hunters. Or it could be entirely new characters who are on a journey of their own, exploring parts of the wizarding world that haven't been fully explored in the original series, like some hidden areas where they need to hunt for something important.
Most likely, the main character is the healer. They could be an original character created for the fanfic. There might also be appearances from well - known Harry Potter characters like Harry himself, Hermione, and Ron. Maybe the healer has to work with them to solve some sort of magical health crisis in Hogwarts or the wizarding world at large.
In addition to Harry, there could be a unique snake character that is a main character. This snake could have its own personality and motives. It might be a magical snake that has been around for a long time and has knowledge of hidden secrets in the wizarding world. Dumbledore could also be a main character as he often guides Harry in the original series and would likely do so in this fanfic as well, especially with Harry's new snake - related situation.
Harry Potter is likely to be one of the main characters. Since it's related to the Harry Potter universe, he would probably play a significant role in any story involving the basilisk, whether it's to defeat it or understand it.
Hermione and Ron might also be main characters in this fanfic. They often accompany Harry on his adventures in the original series, so it's reasonable to think they'd be involved here. They could help Harry figure out the mystery of the snake.