Well, he could be a new student at Hogwarts who's a bit older than the others. Since he has his unique way of seeing things, he might be sorted into Ravenclaw for his intelligence and ability to analyze. In the fanfic, he could start investigating some strange happenings around the school that seem related to the Forbidden Forest, using his profiling skills to figure out if there's a 'human' or rather a wizard or magical creature behind it all.
Perhaps Will Graham is a wizard who was raised in the Muggle world without knowing his true heritage. When he discovers he's a wizard and comes to Hogwarts, he struggles to fit in. His skills in understanding human (or in this case, wizard) behavior make him an outcast as the other students are more focused on spells and potions. But then, he uses his knowledge to solve a mystery that's been plaguing the school, like a series of unexplained disappearances that are linked to a hidden chamber.
A possible plot could be that Will Graham is brought to Hogwarts by Dumbledore to help deal with a new kind of threat. This threat could be a dark wizard who's using psychological warfare on the students. Will Graham's profiling skills would be put to the test as he tries to figure out the motives and methods of this dark wizard. He might start by interviewing students who have had strange encounters and use his knowledge of human nature to piece together the puzzle.
Not usually. Will Graham is not a common character in Harry Potter fanfic.
I'm not sure. You might have to do a detailed search on Archive of Our Own to find out.
They can be incorporated as new magical creatures in the Forbidden Forest. Maybe they have their own hidden enclaves there and interact with Hogwarts students who stumble upon them. For instance, a faery hero could offer help to a lost student by using its faery magic to guide them back to the castle.
Alucard could fit as a powerful outsider. His vampiric abilities like super strength, speed, and the ability to turn into mist or a bat would be very different from normal wizard magic. He could be a sort of anti - hero, helping Harry when it suits his own goals. For example, if there was a dark wizard using blood magic in a way that threatened Alucard's existence too.
Well, in theory, it could. Fanfics often like to blend different fictional universes. However, in the official Harry Potter lore, there are no lightsabers. But in a fanfic, an author could come up with some creative magic or a cross - universe event that brings lightsabers into the wizarding world. Maybe a powerful wizard discovers a way to create a weapon similar to a lightsaber using magic and some rare materials.
Pikachu could be a special guest at Hogwarts. It might be brought there by a powerful wizard who has traveled to other dimensions. And it could use its electric attacks to protect the school from dark forces.
One way could be by having the house - elves start a revolution. They are an oppressed group in the wizarding world, similar to the working class in a capitalist society. They could demand equal rights, fair treatment, and an end to their enslavement, much like the goals of a communist revolution.
It could be a reference to a certain character's look or attitude. Maybe there's a new character in the fanfic who has a steely gaze, and the author describes it as 'blue steel' to give a sense of mystery and cold determination. This character could be an ally or an enemy to Harry and his friends, adding a new layer of intrigue to the story.
It can add by exploring the uncharted emotional territories of the characters. The original books didn't fully delve into every character's fear in extreme detail. Fanfic can do that. For instance, it can show how Ginny Weasley overcomes her fear of being possessed by Voldemort again.