Ron would also be there for Harry. His loyalty and friendship mean he'd be by Harry's side, maybe even using his own family's magic - related knowledge to assist. And of course, Dumbledore. He has a vast amount of magical knowledge and wisdom, and he'd probably offer some crucial advice or perform a spell to help Harry.
Well, perhaps Harry has to use his magic skills to resist some sort of spell or curse that is trying to force him into hibernation. Maybe there are dark forces at work trying to put him out of action for a long time.
Obviously, Harry Potter himself is the main character. He is the one with the motivation to fight against the Dursleys due to their years of mistreatment.
Obviously, Harry Potter himself. He's the main character who is going to fight back.
The main characters would be Harry and Dumbledore for sure. But it's possible that some of the other Hogwarts teachers, like McGonagall, could also be involved. She might be a witness to the confrontation, or she could be someone Harry goes to for advice before or after he tells Dumbledore off. Additionally, Snape might also play a role, as his relationship with both Harry and Dumbledore was quite complex.
Hermione would be a very likely ally. She's smart and resourceful, and could help Harry figure out the best ways to use magic against the Chitauri. Ron might also be there, with his loyalty and fighting skills. Additionally, some of the more experienced wizards or witches from Hogwarts could potentially join in to help Harry.
Hermione would be a likely candidate. She is Harry's best friend and is very intelligent. She could use her knowledge of spells and magic to come up with a plan to help Harry escape. For instance, she might create a diversion or find a way to disable the security around Dumbledore's area.
Hermione could help. She's very smart and could research about the dragon's weaknesses.
Hermione would definitely be one of the first to help. She's extremely intelligent and well - read in magic, so she'd quickly start looking for spells or potions to heal Harry. She'd also stay by his side to comfort him and keep his spirits up.
Gil could also be there to assist. He's Harry's friend and fellow crewmate. Gil is not as clever as Harry in some ways but he's very loyal and strong. He would do things like fetch water, find food, and stand guard while Harry is recovering.
Hermione would be a very likely character to help. She's smart and resourceful, and she would use her extensive knowledge of magic to come up with a plan for Harry's escape. Another could be Hagrid. He has a big heart and he's always been fond of Harry. He could provide a means of transportation, like his flying motorcycle or a secret passage he knows of. Also, Sirius Black might be involved. He's Harry's godfather and he would do anything to protect Harry from his family, so he could be a key figure in getting Harry out of that situation.