A school is a petty home , a place where tyke pick up half the aliveness lessons they need in lodge to become adult . So , it ’s only understandable that school day are kept as safe as potential for child . Hence , set spectre , adult male - eating animate being , and literal demons along with other harmful monster in them should be out of the question . But , TheHogwarts School of Witchcraft and Wizardryis not an average institution .

They have string , they have fortifications , and they have Defense Against the Dark Arts teachers who harm students from time to sentence . aside from the even contraband Dark Lord during Harry ’s stay at Hogwarts , there were also plenty of horrifying tool prowling Hogwarts ground that really fit better in a horror movie . These 10 creature make the Death Eaters look like a boy band with how ominous they are in the movie .

Helena Ravenclaw

peeve and most other ghostsroaming around Hogwartsare usually safe and comparatively sociable compare to most ghosts in other films . see as the films turn the Bloody Baron into a jest , the scariest ghost deed now belongs to Helena Ravenclaw or the grey lady .

She ’s the daughter of Rowena Ravenclaw herself and is definitely a lot more antisocial than the other ghosts . She loves to keep to herself mostly and is prostrate to jump - scare outbursts that surprisingly did n’t give Harry a heart plan of attack when it happened in the film .

Hagrid’s Freaky Plant

Hagrid ’s prostrate to lift in some illegally - acquired magical beasts in Hogwarts soil and has somehow managed to slip in a three - head dog , a elephantine spider — who   got kicked out into the Forbidden Forest — a dragon , and that one weird plant that he hurryingly cover in the third movie after some " normal " guests barge in .

In any case , that fauna is still unnamed and is likely out of place . It clearly belongs made with H.R. Giger in judgment and might have belonged in theAlienmovie or else . The unidentified fauna intimately resembles an overgrown Mandrake plant , but those tentacles are a worrying lot indeed .

A “Werewolf”

Even werewolves are n’t off - boundary though attend whatHagrid keeps bringing into Hogwarts , this is a rather modest headache for Albus Dumbledore . After all , he ’s the one who welcomed the werewolf , a.k.a . Professor Remus Lupin , whose name patently does n’t imply that he ’s some sort of rabid canine .

Too bad it was only a topic of time before Lupin end up virtually eating one — or three — of his students . That makes Lupin a threefold whammy ; since he ’s a teacher and a wolfman , both are feared by students except this kind of teacher can pour down anyone too noisy in his class . It makes professor Snape facial expression more preferable .

Grindylows

Outside the priming of Hogwarts , there ’s a nearby lake , though , based on what we ’ve come across of it inHarry Potter and the Goblet of Fire , it ’s best not to go near the thing . There are real water devil in the lake called Grindylows who love to drown anyone that does n’t have gills .

That automatically makes the lake a no - swim zone and likely even defective for fishing or boat trips because of these little bugger . Sometimes , they even get raring and resort to strangling their victims underwater with their tentacles because drown takes too long .

Thestrals

Thestrals are not exactly harmful nor deadly , since they ’re docile creatures . Even the proud hippogriff is exponentially more grievous than them . Still , their appearance lends much to their spooky facade . They depend like hellspawn in a Tim Burton movie due to the calamitous bat - same wings and the emaciated frame .

Moreover , they can only be see by the great unwashed who have find death . They ’re not exactly creatures one would want to see after see someone conk out , as they ’d most likely add to the psychic trauma . That pretty much explain why anyone except Luna Lovegood would avoid them .

A Basilisk

By far the deadliest wight ever in Hogwarts would be the Basilisk . It ’s basically just a gargantuan Snake River with the tot lethality of ossify anything that get oculus contact with it . Even creepier is the fact that it ’s been inside Hogwarts for around a millennium because Salazar Slytherin think it was a good idea to channel his inner Hagrid .

The basilisk can somewhat much shoot down any wizard or hag since they would want to practice their eyes for trance . Were it not for Fawkes ' interference and help , Harry would probably be a statue churning in some giant snake ’s stomach acid . The basilisk rest the best proof that Hogwarts should be sued .

Dementors

verbalize of Hogwarts being Eugene Sue - able , Prisoner of Azkabanjusthad to top the second film ' basilisk with one of the most horrific mainstays of theHarry Pottermythos : the Dementors . They ’re practically ghost that suck out the souls of anyone they can , and the only thing stopping them is the promise of more nutrient in the class of people .

That ’s why a accommodative alliance with them is threatening at ripe , see as they easily switched sides and joined Voldemort ’s regular army . Dementors , for that matter , are some of the scariest creatures not just in Hogwarts , but in all of the Wizarding World . Even their appearance alone is enough to scare anyone who does n’t bed a Patronus charm , meaning all adults in the muggle earthly concern .

Devil’s Snare

One can often wonderjust what the Hogwarts prof were think , putting something as lethal as a Devil ’s Snare inside school grounds . This was Professor Sprout ’s responsibility , as she ’s an herbologist and had to set up a line of defense team for the Philosopher / Sorcerer ’s Stone .

Too bad that did n’t do much against Professor Quirrell , as he seems to have just slithered past it with the avail of Voldemort . So the Devil ’s Snare ended up nearly drink down Ron , Harry , and Hermione . All three of them would ’ve been fertilizer as early as the first Word if not for a ludicrously unwieldy enchantment that ’s really just a " dependable countersign " for the plant life that likes to clog up people .

Whomping Willow

Yet another planton the   Hogwarts ground that can easily turn human race into mincemeatwould be the legendary Whomping Willow . It came close to killing   Harry Potter than Voldemort ever did during theChamber of Secretsmovie and even inPrisoner of Azkaban .

Seriously , this cranky oversize bonsai could have easily ended the prefer one with a mere smacking . Who thought it was a good mind to have a killer tree grow tumid than a house ? Apparently , it was plant there to cover up a mysterious passage to Hogsmeade , but , really , any other tree or even just covering up the shortcut would have been enough .

Boggart

The boggart might be a rampant terror compared tomost of the witching beasts   in the Wizarding World , but at least the one in Hogwarts is well - go on by Professor Lupin . It takes in the form of whatever its percipient dread the most , crap it a shapeshifter and sometimes even mime the Dementor ’s effects .

However , it ’s only really horrific if its perceiver is alone . Otherwise , a boggart will attempt to scare away both multiple multitude by becoming an dental amalgam of what everyone fears . By then , it ’s more queer than scary but still , any muggle that has a phobic disorder for long - haired Japanese repugnance picture show ghouls would have a risky time against boggarts .

NEXT : Harry Potter : What Hogwarts Subject Would You Do well At , According To Your Zodiac ?

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The ghost of Ravenclaw Tower at Hogwarts Helena.

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