Yes, it can be. The Harry Potter universe has a rich and diverse range of fanfiction themes. The idea of a 'prince of the dark kingdom' could play on the existing dark elements in the series, like Voldemort's regime. It might explore a character taking on a role within the dark forces in a new and unique way that the original books didn't fully cover.
Draco Malfoy could be a candidate in some fanfiction. He was always on the edge of the dark side, being from a pure - blood family with Death Eater ties. In some fan - created stories, he might fully embrace the dark and become a sort of 'prince' figure in the dark kingdom.
In Harry Potter fanfiction, 'the dark kingdom' could be a fictional place created by the author. It might be a realm where dark magic prevails, perhaps filled with dark wizards, dangerous creatures, and symbols of evil. It could be a place that stands in opposition to the more positive and light - filled aspects of the wizarding world we know from the original books.
Sure. It might be very gloomy, with a perpetual sense of dread in the air. There could be dark, foreboding castles or structures. Magic there would likely be of a more sinister nature, like curses and hexes being commonplace.
One popular type of fanfiction in this area could be about the relationship between the events in the first two books and the character of Snape, who is later known as the Half - Blood Prince. Writers might explore how early interactions with Harry in the first two books could have been influenced by Snape's hidden identity and motives.
In some fanfiction, Harry Potter can be portrayed as 'dark' and a 'bearer' in very different interpretations from the original series. Fanfic authors often like to explore alternative character arcs and personalities.
There could be. 'Harry Potter' fanfiction is a vast genre with all kinds of crossovers. While 'Kingdom of Heaven' isn't as commonly associated with 'Harry Potter' as, say, other wizarding worlds in fanfic, there are always creative writers out there who might explore the connection. You could start by looking at larger fanfiction archives and seeing if any tags or summaries mention both.
It could be an original character created just for this fanfiction. Maybe a prince from a hidden magical realm that has been kept secret from the wizarding world until now.
Well, it could be about Harry taking on a role of a 'dark prince' in a fan - created fictional scenario. Maybe it involves him having different powers or a darker personality than in the original stories. It might explore how his relationships change in this new, darker context.