What could happen in a fanfiction where Harry goes missing and there is a Hogwarts letter involved?

Well, perhaps in 'harry goes to hogwarts later fanfiction', he could form new friendships. He might meet students from different backgrounds or even different magical cultures, which would bring a whole new dynamic to his Hogwarts experience. He could also discover new magical abilities or spells that were previously unknown to him, which would help him in his adventures at Hogwarts.

The Hogwarts letter could act as a tracker. Since it's magically bound to Harry, it might start to glow or move in a certain direction leading to where he is. For example, if he's been taken to a secret lair, the letter could lead his friends right to the entrance.

Well, he might discover some unique magical creatures in Canada that are different from those in the UK. Maybe he meets a friendly Canadian wizard who teaches him a special spell.

Well, in this fanfiction, Aang might bring his airbending skills to Hogwarts. He could use his bending to create interesting effects during Quidditch matches, like using air currents to speed up the broomsticks. He may also interact with the Hogwarts students in unique ways, perhaps teaching them a bit about his culture from the Avatar world.

Well, he might show off some really old - fashioned but extremely powerful magic that would shock everyone at Hogwarts. Maybe he'd befriend Harry Potter and teach him some ancient spells that could defeat Voldemort in a whole new way.

In this fanfiction, Dudley might face a lot of challenges. He's used to a different world than Hogwarts. He could struggle with magic classes as he has no prior knowledge. Maybe he'd be bullied at first for being a Muggle - born in the eyes of some students. Also, his relationship with Harry could change in a new and interesting way.

If Snape goes missing, Hogwarts would be in chaos. His students would be worried and confused. The other teachers would have to take over his classes, but no one could replace his unique teaching style.

If Fairy Tail goes to Hogwarts in fanfiction, it would be an interesting clash of cultures. The Fairy Tail guild is very rowdy and family - like. At Hogwarts, there are strict rules. The Fairy Tail members might get into trouble for their unruly behavior. For example, Gray might accidentally freeze part of the Great Hall during a fight with Natsu. And the Hogwarts students would be both shocked and intrigued by the Fairy Tail mages' powerful and flashy magic.

Well, he might introduce some unique ninja skills to Hogwarts. Maybe he'd show the students how to move stealthily like in the ANBU, which could be a new concept for them. And his combat skills could be a shock to the wizards used to magic duels.

If Young Justice goes to Hogwarts in a fanfiction, they might form new alliances. For example, Superboy could team up with some of the stronger wizards like Hagrid. They could share their different kinds of strength. Superboy's physical strength combined with Hagrid's knowledge of magical creatures could lead to some really interesting adventures. And the wizards at Hogwarts would be both amazed and a bit scared of these new superhero visitors.