I don't know specifically who the main character is in this 'harry potter student of bauextobons fanfiction'. However, it's probable that it's the student whose experiences the story is centered around. It could be a new character created by the fanfiction author, or it might be a side character from the original Harry Potter series who has a more in - depth story in this fan - made work.
There's no way to know exactly who the main character is without reading the 'harry potter student of bauextobons fanfiction'. But generally in such fanfictions, the main character is the one that the plot follows most closely. So if it's about a student at Bauextobons, it could be a character with a unique ability or backstory. Maybe it's a character who has some connection to Harry Potter himself, or it could be a completely independent character that the author has crafted to show a different side of the Harry Potter world.
Since I haven't read it, I can't say for sure who the main character is. It's likely to be the student from Bauextobons, but without more information, that's all we can guess.
The 'harry potter student of bauextobons fanfiction' could be about a whole range of things. It could be that the student is an outcast at Bauextobons and has to find their way to fit in. Maybe they come from a different background compared to the other students there. They could be involved in some sort of mystery, like trying to uncover the truth behind an old legend of the school. Or perhaps they are on a quest to master a particular type of magic that is unique to Bauextobons. Since it's a fanfiction, the author has a lot of creative freedom to come up with interesting plotlines and character developments related to this student.
A Muggle - born student could be the main character. They might be struggling to adapt to the wizarding world and feel a bit lost at Hogwarts. Lulu, who has a different perspective on magic, could take this student under her wing. She could teach the Muggle - born how to use their unique perspective and Muggle - influenced creativity in magic. This student could then go on to create new spells or magical devices that combine Muggle technology and wizarding magic, all while being Lulu's student.
How about Neville Longbottom? He could be the main character in a fanfiction set in the Chamber. Neville, who has always been underestimated, could show his true courage and strength. He might discover a hidden ability that helps him face the challenges in the Chamber, perhaps something related to his connection with plants, which could play a crucial role in defeating the Basilisk or whatever new threat is in the Chamber.
Hermione Granger is often a popular character. Given her love for learning and knowledge, it's easy to imagine her as a medical student in fanfiction. She could be using her intelligence to develop new medical spells or treatments.
A lesser - known character like Ernie Macmillan from Hufflepuff could be the main character. As a prefect, he could bring out the unique qualities of Hufflepuff house. He might have to deal with issues like other houses underestimating Hufflepuff students. His story could focus on how he promotes the values of hard work, loyalty, and fairness within the house and the school as a whole.
Hermione could be a great main character. She's curious and intelligent, so she would be really interested in exploring the secrets of the diary. She could use her vast knowledge of magic to try and figure out how the diary works and what secrets it holds.
Harry Potter himself could be the main character as a revenant. Maybe he has some unresolved issues from his past, like his relationship with his parents. His revenant form could be on a journey to fully understand their sacrifice and his own place in the wizarding world's history.
Harry Potter might still be the main character even with Merlin's return. Merlin could be more of a guiding or helping figure, and Harry would be the one who ultimately has to face the main challenges with Merlin's assistance. So Harry would remain at the core of the story.
There's no one - size - fits - all answer for the main character in 'Son of the Stars' Harry Potter fanfiction. It could be an individual with extraordinary magical abilities related to the stars. For instance, they might be able to teleport using star - maps or have a special wand made from a star - touched material. This character could be on a journey to uncover the truth about their star - related heritage and in the process, they get involved in various adventures at Hogwarts or in the wider wizarding world, facing off against dark wizards or uncovering ancient secrets.
It could be a younger sibling of one of the main characters in the original series. For example, Ginny's little sister who has big shoes to fill but also a great passion for Quidditch.