Percy Jackson as a Hogwarts professor? It would be amazing. He could use his connection to Poseidon to create some really cool water - related magic. He might teach students how to communicate with magical water creatures. His teaching style would likely be hands - on and action - packed. He wouldn't be too strict about the rules, which could be a good or bad thing depending on how you look at it. And he'd probably make friends with Hagrid easily, as they both have a connection to strange and wonderful creatures.
Well, if Percy Jackson were a professor at Hogwarts, there would be a lot of chaos. He'd probably teach a water - based magic class, using his skills with water. He might get into trouble with the other professors for his unorthodox methods. For example, instead of using wands for some spells, he'd use his powers over water. His students would be in for a wild ride as he'd take them on adventures around the Hogwarts grounds, using the lakes and fountains for practical lessons.
He could introduce some new combat styles to the Dueling Club. His experience in fighting monsters as a demigod would give him an edge. He might be a bit of an enigma to the Hogwarts professors too. They would be intrigued by his different kind of magic. And with his being betrayed, he could be a bit guarded at first, but gradually open up as he realizes that not everyone at Hogwarts is like those who betrayed him. He could also discover some hidden chambers or secrets in Hogwarts that have a connection to his demigod world, like a hidden place that has a link to the Greek gods.
Well, he'd probably be a bit of an oddball at first. His skills with a sword and his water - based powers would be really different from the magic at Hogwarts. He might get into trouble for using his powers instead of spells. But he could also be really good at things like Defense Against the Dark Arts because he's used to fighting monsters.
If Percy Jackson were to save Hogwarts, it could be a very interesting scenario. He could bring his skills with the sword, like using Riptide to fend off Death Eaters. And his ability to communicate with sea creatures could potentially help if there was some sort of underwater threat in Hogwarts' lake. Also, his knowledge of Greek mythology might give him an edge in dealing with any magic in Hogwarts that has some connection to the ancient Greek world.
If Percy was a teacher at Hogwarts, he'd probably be a great Quidditch coach too. His athleticism and quick reflexes would be useful in training the players. Also, he could bring in some of his demigod friends for guest lectures. His presence would surely shake up the traditional Hogwarts curriculum and add a whole new dimension to the magical education there.
If Percy Jackson goes to protect Hogwarts in fanfiction, it'd be an amazing crossover. Percy is used to facing all kinds of monsters, and at Hogwarts, he'd have to adapt to magic. He might form an alliance with some of the Hogwarts students. His speed and combat skills could help in protecting the school from any invaders, whether they be Death Eaters or other dark creatures.
In this scenario, Percy would likely use his unique demigod abilities. His skill with water could be used in various ways, like putting out fires from spells or using water currents to disarm enemies. Maybe he'd also call on his sea - monster friends to help fend off dark creatures attacking Hogwarts.
Percy Jackson could protect Hogwarts by teaming up with the Hogwarts professors. He could offer his unique skills and knowledge. For instance, he could help in guarding the Forbidden Forest using his demigod senses. Also, his sword Riptide could be used to break through any dark magic - created barriers that the bad guys might set up around the school.
In the 'Percy goes to Hogwarts alone fanfiction', it's possible that Percy will discover new aspects of himself. Since he's alone, he has to rely solely on his own wits and skills. He could stumble upon some hidden secrets of Hogwarts that others haven't found. Also, he may have some unique encounters with the Hogwarts professors who take notice of his solitary situation and offer him special guidance or tasks.
In fanfiction, Percy could be in the hospital because he was captured by an enemy and tortured. Now he's there being healed by the camp's healers or some advanced demigod medical technology. Another possibility is that he's having some sort of identity crisis related to his demigod status and it's causing him physical and mental stress, so he's in the hospital for both medical and psychological help.
In the 'Percy Jackson Disappears' fanfiction, perhaps Percy could be kidnapped by an unknown enemy. Maybe it's a new villain who has a vendetta against the demigods. This would lead to his friends, like Annabeth, going on a desperate search for him, facing many dangerous challenges along the way.