Maybe Hagrid. He has a lot of experience with magical creatures. He could give Harry advice on things like what to feed the dragon and how to train it. Hagrid would also be excited about a new dragon in Hogwarts, even if it's a secret one. And Ron might also help in some ways, like distracting other students or teachers when needed to keep the dragon's existence a secret.
Hermione could be a great help. She's very knowledgeable about magic and could research how to properly care for a newly hatched female dragon.
Hermione could help. She's very smart and could research about the dragon's weaknesses.
Well, in 'Harry Potter hatches a female dragon fanfiction', first of all, Harry would need to find a suitable place to hatch the egg secretly. Once hatched, the female dragon might have different characteristics from male dragons. Maybe she is more intelligent and cunning. Harry would then have to train her, which could involve using some new spells and magic that we haven't seen in the original series. This could also attract the attention of dark wizards who might want to use the dragon for their own evil purposes.
Voldemort could be the main antagonist. Even though he's gone in the original story, in this fanfiction, he might be resurrected or his followers could be after the dragon. They might see the dragon as a powerful weapon to use against Harry and the wizarding world.
Well, perhaps Harry discovers a basilisk egg in some hidden part of Hogwarts. He decides to hatch it out of curiosity or maybe because he believes it could be used to fight against the real threat in the wizarding world. He secretly takes care of it, using his magic knowledge to create the right environment for the egg to hatch.
Maybe Harry discovers a dragon egg in a hidden part of Hogwarts. He uses his magic skills and knowledge to hatch it. As the dragon grows, he realizes it has some special connection to the concept of a dragonlord. He might have to face challenges from the wizarding world that fears the power of the dragon he's raising.
Hermione would most likely help. She's always been there for Harry, and with her vast knowledge from books, she could offer a great deal of advice on how to take care of the dragon egg. Ron might also be involved. Despite his initial fear of things, he has a brave heart and would probably stand by Harry's side.
Dumbledore could also play a role. Even if he's not alive in the normal sense, his spirit or some form of his magic could guide Harry. He might have known about the connection between Harry and Excalibur all along and left behind some hints or instructions for Harry to follow.
Hermione could be one. She might use her vast knowledge of magic to help Harry figure out how to hatch the egg. Another could be Hagrid. He has a lot of experience with magical creatures, so he could offer advice on taking care of the egg and the soon - to - be - hatched creature.
Neville could play a role too. He has a deep connection to the magical creatures, and he might be sympathetic to Harry's idea of hatching the basilisk. He could offer some advice on how to handle the hatchling based on his own experiences with plants and other less - dangerous magical beings. Also, he could be the one to stand up for Harry when others start to question his motives.
The magical creatures could play a role in helping Harry. For example, the centaurs with their deep understanding of the stars and magic could offer their wisdom. The house - elves, like Dobby (if he's alive in the fanfic), might use their unique magic to assist Harry in a time of need.