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Magical Fan Theories About Hogwarts Castle

Updated February 10, 2021 1.8k votes 324 voters 31.8k views15 items

List RulesVote up the theories good enough to open the Chamber of Secrets.

The Harry Potter films are renowned and adored for their memorable characters, magical plotlines, and dazzling special effects, all of which center on the Hogwarts School of Witchcraft and Wizardry. Hogwarts and its surrounding settings bring life to the entire Harry Potter universe, so it's no surprise that fans have developed imaginative theories about them.

Some fans believe the Chamber of Secrets is not what it appears to be, whether that means it's designed to fail or it's actually supposed to be a safe haven for young wizards. Others speculate that locations like the Shrieking Shack and the Room of Requirement hold much more importance to Harry's saga than meets the eye. 

  • 1

    The Room Of Requirement Is Vital To Voldemort

    From Redditor /u/nayimhittingalongone:

    We know the curse on the DADA position originated the moment Dumbledore refused to give Voldemort the job, and we also know that Voldemort took this meeting with Dumbledore at Hogwarts as an opportunity to leave his diadem horcrux in the Room of Requirement.

    The Room of Requirement wasn't just some secluded magical room in a part of Hogwarts; it magically had access to the rest of the castle and even the surrounding grounds. This is evidenced by the fact that it moved its entrance (and exit) to different parts of the castle so students could avoid the Carrows in the last book, and also that it created a new secret passage into Hogsmeade. I think if Hogwarts itself had a heart or a soul, you could make a strong argument that it would be the Room of Requirement.

    You can learn the full theory here.

    Great theory?
  • 2

    The Train Station Attendee Works For Hogwarts

    From Redditor /u/kettesi:

    You know, the guy who scoffs at Harry looking for 9&3/4, and who comments on Ron and Harry failing to get there in the second movie? Wizard.

    Think about it: The only way to get on the train to Hogwarts is in broad daylight in public. Don't you think that Hogwarts or the Ministry of Magic would have someone stationed there to memory charm anyone who sees it?

    As for why he doesn't tell Harry how to find 9&3/4, it's probably because he has a cover to keep. Anyone who wants to throw a wrench into Hogwarts' operations could easily take him out, and all of a sudden dozens of Muggles report children evaporating into a wall.

    And why him specifically? Well, the odds of the same person working the same shift at the same job on the same day two years in a row is slightly suspicious. He also seems more mad at Ron and Harry for running into the wall than a disgruntled King's Cross employee would be at a couple of kids joking around.

    Great theory?
  • 3

    The Room Of Requirement Was Created By Helga Hufflepuff

    From Redditor /u/SteamDelta:

    It was Helga Hufflepuff. The founder who wanted to care for all students. The room provides for all, even Draco who uses it to plan out a murder. It provides for Neville, and the DA adorn [it] with banners for all houses represented. It will ignore authority of teachers to keep students safe and hide objects for teachers who are in need.

    Great theory?
  • 4

    Gryffindor Students Must Ask To Be Placed There

    From Redditor /u/EquivalentInflation:

    When Harry tried on the hat, it mentioned all of the houses as options, and Slytherin in particular. But Harry got into Gryffindor because he asked. He didn't specifically say Gryffindor, but he ruled out Slytherin, and didn't want either other house.

    Same for Hermione: We find out the hat actually wanted to put her into Ravenclaw, but she asked for Gryffindor.

    Ron and Neville both talked about being worried about getting into Gryffindor, and not living up to the expectations. Harry never told anyone except Dumbledore about his choice until he was an adult, and Hermione only told a small group of friends her fifth year. It's pretty likely that they, and others, made the choice, then never told anyone about it.

    You can read the full theory here.

    Great theory?