His magic would probably be seen as something very strange. Most students and teachers would have no idea about magic, so they might think he's just doing really elaborate magic tricks at first. But if he ever had to use his magic to protect someone, it would be a real shock to everyone.
Well, in a highschool setting in fanfiction, Harry Potter's magic would be a huge deal. Since highschool is a place where people are still exploring and learning about the world, his magic would be completely out of the ordinary. Some students might idolize him and want to learn more about his powers. Teachers, on the other hand, might be more cautious. They could be worried about the safety of the other students or think that Harry is a disruption. But Harry, being Harry, would likely use his magic for good, whether it's helping a student in trouble or dealing with a school bully.
In the context of fanfiction, Harry Potter's magic in highschool could be a source of both awe and fear. The other students might be initially fascinated by the things he can do, like making objects levitate or conjuring small things. But as they realize it's not just a trick, they could become scared. The school authorities might try to study him or even isolate him, thinking he's some kind of abnormal being. However, some of the more open - minded students could see it as something really cool and want to be his friend.
His magic might be seen as very different. Japanese magic could have its own style and rules, so Harry's spells might seem strange at first. But also, his powerful magic from fighting Voldemort would likely earn him respect.
Her magic would probably be seen as something very strange and powerful. The ninja in Konoha are used to chakra - based abilities, so her spells and potions would be completely new to them. Some might be in awe of her magic, while others might be a bit scared, thinking it could be a threat.
His powers would probably be seen as very strange. Magic isn't a common thing at Camp Jupiter. The demigods there are used to their own abilities like super strength or control over the elements. Harry's magic might seem like an otherworldly power that they don't quite understand.
Since Harry has dealt with complex magical artifacts like the Marauder's Map, he could help Rias in her search for powerful items in the Highschool DxD world. His expertise in this area could lead to Rias obtaining artifacts that significantly enhance her development. For example, she might find an item that allows her to communicate with her allies more effectively or one that gives her better control over her devil powers. Harry's magic would not only add new skills to Rias but also open up new avenues for her growth and exploration.
In the Grand Magic Games in fanfiction, Naruto's powers would likely be a source of both confusion and fascination. Some might view his chakra - based attacks as a new form of magic. Others may be intimidated by his raw power and his ability to quickly move and strike.
The magic system in Harry Potter could be integrated by having characters from Highschool DxD learn spells. For example, Issei could learn the Wingardium Leviosa spell to lift objects during battle, giving him an unexpected advantage. The Portkey concept could also be used to transport characters between the two worlds quickly.
The magic of Aphrodite could interact with the protective spells in Hogwarts. Maybe her love - based magic could make the protective spells stronger by creating a positive emotional bond between the castle and its inhabitants. On the other hand, if her magic goes out of control, it could weaken the spells as the strong emotions she brings might disrupt the delicate balance of the existing magic.
He would become more humble. Losing his magic would make him realize that he's not invincible. He'd start to value the people around him more. For instance, he'd be more grateful for Hermione's intelligence and Ron's loyalty.
Harry Potter's magic is based on incantations and wands in his world. In Equestria, magic seems to be more instinctive for the ponies. So when Harry arrives, his magic could be seen as very foreign. His magic might not function properly without the right magical environment. For instance, the magic that he uses to apparate might not work in Equestria because the space - time continuum there could be different. He would have to figure out how to make his magic work within the framework of Equestria's magic system, which could be a long and interesting process in the fanfiction.
Harry's magic would be a game - changer. He could use Apparition to quickly move around the battlefield and surprise the enemy. His ability to communicate with snakes (Parseltongue) might also be used to gather intelligence if there were any snake - related codes or secrets in the Axis powers. Plus, his experience in fighting dark wizards like Voldemort would give him the strategic edge in combat against the Axis leaders.