The main characters are Harry Potter himself, who is the 'King of Darkness' in this fanfiction concept. Neville Longbottom could also be a significant character. He might grow in power and importance as he stands by Harry in his new journey. And then there are the Slytherins. Some Slytherin characters like Draco Malfoy could be involved in interesting ways. They might be in a position where they have to choose between their traditional Slytherin values and the new power dynamic that Harry represents.
In 'Harry Potter King of Darkness' fanfiction, Harry Potter is the main focus, of course. However, characters such as Sirius Black could be involved in a more complex way. Since he has his own connection to the dark side of the wizarding world through his family history, he might be able to offer unique insights to Harry. Luna Lovegood could also be an important character, with her unique perspective on magic. She might be one of the few who understand Harry's new situation and support him unconditionally.
Obviously, Harry Potter is the central character. But other characters like Hermione and Ron are often involved too. They might have different reactions to Harry's new 'King of Darkness' persona. Dumbledore could also be a major character, as he might try to guide Harry or figure out how to deal with this new development. Voldemort could also play a significant role, perhaps seeing Harry as a more formidable opponent or a potential ally in his own dark schemes.
Harry Potter is often still a central character. Since it's related to the Harry Potter universe, his journey in the context of the darkness is frequently explored. He might be dealing with inner demons or facing darker versions of his enemies.
Harry Potter himself is often involved. He might be the one to encounter the first signs of inflation, whether it's a magically inflating potion or an enchanted object. His friends, like Ron and Hermione, are also likely to be part of the story, helping him figure out what's going on.
Ron Weasley could also be a key figure. He might be Harry's loyal friend as always, standing by his side during all the changes that Harry is bringing about in the wizarding world as a god. And there could be new characters introduced as well, perhaps other gods or magical beings that interact with Harry in this new fanfiction realm.
In some cases, Albus Dumbledore could play an important role. His wisdom and power in the wizarding world would make him a key figure in any situation where the two different universes collide. He might be the one to first discover Alexstrasza's presence and figure out how to make use of her abilities in the fight against the dark forces in the Harry Potter world.
Obviously, Harry Potter himself is always a main character. He is the one most directly associated with the concept of death in the original series, what with his parents' death and his multiple near - death experiences.
Ron Weasley could be another main character. He might be initially skeptical about the piano's magic but then be amazed when he sees the extraordinary things it can do. Maybe he accidentally discovers a new function of the piano while fooling around with it in the Gryffindor common room.
Harry Potter himself could be one of the main characters in such fanfiction. Maybe he gets an automail limb after a particularly dangerous encounter with Voldemort. Hermione might also be involved, using her vast knowledge to help understand and improve the automail technology within the wizarding context.
Well, of course, Harry Potter himself is often the central figure. He's usually the one who discovers the amulet or is tasked with dealing with its powers or secrets. Hermione Granger also frequently appears, using her vast knowledge to help Harry understand the amulet.
Harry Potter himself is often involved. He might be the one to discover a mysterious egg or be tasked with protecting it. Hermione Granger could also be a main character, using her vast knowledge to figure out the nature of the eggs. Ron Weasley might be there too, providing some comical relief while also helping with the situation.
In some fanfictions, characters like Neville Longbottom could emerge as key figures in emancipation. After his growth and development in the original series, he could use his new - found confidence and skills to fight for the rights of those who are oppressed, whether they are house - elves, werewolves or Muggle - borns.