Well, he might use his magic to defeat the dragons in Skyrim. Maybe he'd introduce some new spells to the mages there. It could be really interesting to see how his Hogwarts-trained skills fare against the challenges of Skyrim.
In the fanfic, Harry Potter could end up at the College of Winterhold. He'd probably be shocked by their different style of magic. He might teach them about the magic of the wizarding world, like how to make a proper invisibility cloak, while also learning about their magic like enchanting with soul gems.
He might use his magic to defeat the dragons in Skyrim. His spells could be a new and powerful force in that world.
He might be amazed by the grandeur of Asgard. Its golden palaces and powerful magic could both intrigue and intimidate him. Maybe he'd meet Thor and they'd exchange stories about their different kinds of magic and heroic deeds.
In this fanfic, perhaps Harry might discover hidden secrets of Potter Manor. He could find old family heirlooms or secret rooms that were unknown to him before.
If Harry Potter goes to Yokai Academy in a fanfic, it could be a wild adventure. Harry is used to Hogwarts' four houses, but Yokai Academy has its own unique system. He'd face challenges like fitting in with the yokai culture. His skills in magic from Hogwarts might not always work the same way. He could end up teaching the yokai about some of his magic, while also learning about their special abilities. For example, he might encounter a yokai who can transform in ways he's never seen before, and they could exchange knowledge about transformation magic.
In fanfic, when Harry Potter goes to Gringotts, he might discover some long - lost secrets about his family's vault. There could be hidden spells or artifacts that were left there by his parents or ancestors.
Well, he might use his magic skills to impress the other campers. For example, he could magically make the campfires burn in different colors or levitate objects during a talent show at the camp.
Well, perhaps Snape would be even more surly during the summer. He might assign Harry extra potions work as a form of punishment or to keep him out of trouble. Harry, on the other hand, would probably be more rebellious in a fanfic scenario during summer, as he's away from the strictures of Hogwarts. Maybe he'd try to uncover some secrets about Snape that he suspects.
In the fanfic, if Harry Potter goes to Hogwarts as a vampire, he could face discrimination. Vampires are often seen as dark creatures in the wizarding world. He might be isolated from his friends like Ron and Hermione. His appearance would also change. He'd have pale skin and fangs, which would be quite different from his normal look. Magic at Hogwarts might affect him differently too. Spells that are harmless to normal wizards could be more or less effective on him. He'd need to find a way to control his thirst for blood. If he couldn't, it could lead to chaos at Hogwarts. Maybe he'd have to find a substitute for blood, like some kind of potion.
In the fanfic, Harry Potter going to military camp would be really interesting. Firstly, his magical abilities would surely give him an edge in certain military drills. He could use spells to create illusions during stealth training. Also, his experience in fighting dark wizards would make him a valuable asset in strategic planning. He might face some challenges too, like having to hide his magic from others in the camp all the time.
Well, he might be really confused at first. Camp Half - Blood is so different from Hogwarts. He'd see all the Greek mythology stuff which is new to him. Maybe he'd try to compare the magic there with his own. He could also make new friends, but might have some clashes with the demigods because of his different magical upbringing.