It's very possible that Hermione and Ron would also be main characters. They are Harry's closest friends in the original series, so in this fanfiction about the other side of hell, they would probably be by his side, using their unique skills. Hermione's vast knowledge of magic could be crucial in understanding the new and dangerous magic in this hellish realm, and Ron's loyalty and bravery would be assets in their battles.
There could also be some new characters introduced in this fanfiction. Maybe a guide who is familiar with the other side of hell, someone who has been there for a long time and can show Harry and his friends the ropes. Or perhaps an antagonist that is native to this hellish place, a powerful being that is trying to stop Harry and his friends from achieving their goals, whatever those may be in this particular story.
Most likely, Harry Potter would be one of the main characters. Since it's based on the Harry Potter series, he would probably be central to the story, perhaps leading the fight against the evils of this 'hell' side.
Since I haven't read this specific fanfic, it's hard to say. But it could feature the main trio - Harry, Hermione, and Ron. They often find themselves in strange and dangerous situations, and this 'right side of hell' concept could be another one of their adventures. Maybe they are joined by other characters like Neville, Luna, or some of the Weasley family members.
The 'harry potter the other side of hell fanfiction' may center around the idea of redemption or damnation in the context of the Harry Potter world. It could show how certain characters, who might have been on the verge of turning to the dark side in the original story, are fully immersed in a hellish situation in this fanfiction. The story might also introduce a new set of rules for magic that are unique to this hell - like side of the Potterverse. There could be different factions among the characters, some trying to escape this hellish place, while others are trying to gain power within it.
Harry Potter is the central figure in this fanfiction. However, we may also see characters from the hellish realm introduced. There could be powerful demons or other supernatural beings that interact with Harry. Maybe there are some original characters created just for this fanfiction who play important roles in Harry's journey as the king of hell, like a trusted advisor or a fierce enemy.
Obviously, Harry Potter is the main character. He is the one who is raised in Hell in this fanfiction.
Obviously, the Princess of Hell would be one of the main characters. She would bring her own set of characteristics, motives, and powers to the story. Harry Potter himself would also be a main character as the story is set in his world. He would be the one to either oppose or befriend the princess. Hermione and Ron would likely be involved as well, providing support to Harry and having their own reactions to the new and strange character from hell.
Harry Potter himself is often a main character. Since he's the hero of the original series, in fanfictions related to 'Harry Potter Lord of Hell', he might be the one to take on the lords of Hell or get involved in the Hell - related plot. Hermione and Ron are also likely to be main characters as they are Harry's closest friends and would support him in any adventure, including one that involves Hell.
Harry Potter himself could be a main character. He would be the one to sense the danger of the dark side dance and try to oppose it. Hermione would also be important as she could use her vast knowledge of magic to research about the origin and nature of the dance. Ron could be there to provide the comical relief but also be a loyal friend in the fight against the dark influence of the dance.
Obviously, Harry Potter is the main character given the title. His character is likely to be the central focus with his 'godlike' abilities and his independent stance.
Dumbledore could be a significant presence, even if he's no longer alive in the original timeline. His wisdom and knowledge could be passed on in some magical way, like through a magical diary or a portrait that has special powers. And then there could be some characters from the dark side who are trying to redeem themselves, such as a former Death Eater who sees the error of their ways and joins Harry's new movement in the fanfiction.
Voldemort would surely be involved. He might initially be suspicious of Harry's sudden change but then see it as an opportunity to use Harry's power for his own dark ends. He could try to mentor Harry in the ways of dark magic.