Harry could face difficulties in adapting to the familiar yet changed environment of his second year. Maybe some spells or potions become more complex, or he has to navigate friendships that have evolved in unexpected ways.
Well, there could be a number of challenges. For instance, he might struggle with memories or expectations from the previous year. Also, there could be new magical obstacles or interpersonal conflicts with classmates or teachers that weren't there before.
Harry could face the problem of balancing his knowledge from the future and not revealing too much. There could also be issues with dealing with younger versions of his friends and enemies. And, of course, he'd have to navigate the magical world of the second year without raising too many suspicions.
He might face a profound sense of loneliness and the burden of being the sole survivor. Also, he could encounter new magical threats that emerged after the universe's collapse.
He'd face a lot of challenges. For one, communication would be a big problem. Wizards communicate verbally, and as a raptor, he can't speak. So getting his ideas across to others would be difficult. Also, he might be seen as a strange or dangerous creature in the wizarding world. He could be hunted or locked up if people don't recognize him as Harry Potter. And he'd have to figure out how to use his magical abilities, if any, in this new form.
He might face challenges in terms of curriculum development. There would be pressure to update the courses to keep up with the changing times in the wizarding world. Additionally, he would need to handle the security threats that still lurk, such as the remaining Death Eaters or new dark forces. He has to protect the students and the school's secrets while also allowing for a free and open learning environment.
One challenge would be the goblins. They are very protective of Gringotts and would not easily give up control. They have their own laws and traditions regarding ownership. Harry would have to deal with their resistance and find a way to convince them or negotiate with them.
He'd face opposition from the wizarding community. They might not understand his choice to leave behind the world of magic for a religious life. His friends like Hermione and Ron would also be confused and try to talk him out of it.
He would face social challenges. In the wizarding world which has certain traditional views, his situation might be met with shock and disbelief from some people. Some might even shun him. He would also have to deal with the physical challenges of pregnancy, like morning sickness, which would be difficult to hide while he's still attending Hogwarts or going about his normal wizarding life.
One challenge could be the overwhelming amount of emotions he has to deal with. In a crowded place like Hogwarts, there would be a flood of different emotions hitting him all at once. Another challenge is that he might misinterpret some emotions. Just because he senses anger doesn't mean it's directed at him, but he might assume so. Also, some people might be able to hide their true emotions from him, which could lead to him being deceived.
Language could be a problem. They are from different fictional universes, so communication might not be straightforward at first. Harry would have to learn new terms and concepts related to Hawkeye's training. Also, Harry might face challenges in terms of endurance. Hawkeye's training is likely to be very physically demanding, and Harry, who is more used to relying on magic for tasks, would need to build up his physical strength and stamina.
One challenge could be getting the wizard students to take Muggle Studies seriously. Many wizards might think of Muggles as inferior, so Harry would have to work hard to change that perception. He would need to make the subject interesting and relevant to them.