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These backrooms were two rooms in the back of Classroom 3C, used for Defence Against the Dark Arts. They were used by Bartemius Crouch Junior (then disguised as Alastor Moody) to teach Harry Potter, Ronald Weasley and Hermione Granger some extra lessons.[1]

The first room was filled with lots of Dugbogs which had to be dealt with using either the Levitation Charm, Avifors Spell, Orbis or just random jinxes. The room was also filled with giant rocks that one could use to crush the Dugbogs.[1]

The second room was a bit more specific, being filled with many Salamanders that had to be dealt with by using either the Ebublio Jinx, Aqua Eructo or other random jinxes. This room also had bonfire obstacles that needed to be turned off using Aqua Eructo. The exiting door had a giant bonfire that the trio had to take down together. The second time they entered this room, Moody had put the Aqua Eructo spellbook inside the room, which the Trio had to pick up. The door used to exit this room lead out to a roof top outside the Hogwarts Castle.[1]

Pick-ups[]

Appearances[]

Notes and references[]

Third-floor of Hogwarts Castle
Classrooms
Class 34 · Class 72 · Classroom 2E · Classroom 3C · Classroom 3C backrooms · Classroom 3D · Classroom 7A · Classroom off of the Charms corridor · Classroom off of the Gunhilda of Gorsemoor Corridor · Ghoul Studies classroom
Corridors
Ædificium Oriens · Charms corridor · Gallery · Gunhilda of Gorsemoor Corridor · One-Eyed Witch Passage · Serpentine Corridor · Third-floor corridor · Trophy Secret Passage
Halls and rooms
Abraham Ronen's quarters · Armoury · Clock Tower Entrance · Hesperius Hall · Mudiwa Onai's quarters · Trophy Room · Vastus Vestibule · Viaduct Entrance loft
Portraits, statues, and other artwork
Damara Dodderidge · Dinah Hecat's Hebridean Black skeleton · Dragon statue · Drunk Monks · Google Flange · Basil Fronsac · Gunhilda of Gorsemoor · Hippogriff statue · Merwyn the Malicious · Nicholas de Mimsy-Porpington · Valeria Myriadd · Helena Ravenclaw · Alphonso Ringbloom · Brutus Scrimgeour · Temeritus Shanks · Shepherdess · Sphinx statue · Winged horse · Witch in green · Witch in Pompadour hairstyle · Wizard in black · Wizard in red
Staircases
Clock Tower staircase · Grand Staircase · Secret shortcut to the first floor · Staircase to the courtyard corridor · Staircase to the first-floor corridor · Staircase to the Main Landing · Staircase to the ground-floor · Staircase to the second-floor arcade · Turret Stairwell · Turris Magnus staircase
Storerooms
Cauldron cupboard · Lost Wands · Storeroom · Stink Bomb Store
Defence Against the Dark Arts (D.A.D.A.)
Subjectsdada
Classroom 3C · Classroom 3C backrooms · Temporary Classroom · Hogwarts Turris Magnus · Teacher's Office · Storeroom · Staircase · Storage room · Lesson Cup · Race Cup · Duelling Club · Dumbledore's Army
Professors
Isidora Morganach · Dinah Hecat · Arsenius Jigger · Albus Dumbledore · Galatea Merrythought · 1984–1985 professor · 1985–1986 professor · 1986–1987 professor · 1987–1988 professor · Patricia Rakepick · 1989–1990 professor · First 1990–1991 professor · Olivia Green · Quirinus Quirrell · Gilderoy Lockhart · Remus Lupin · Bartemius Crouch Junior (as Alastor Moody) · Dolores Umbridge · Severus Snape · Amycus Carrow (as Dark Arts teacher) · Unidentified professor · Kate Brindlemore
Textbooks
The Dark Forces: A Guide to Self-Protection · Advanced Defence Against the Dark Arts · Break with a Banshee · Gadding with Ghouls · Holidays with Hags · Travels with Trolls · Voyages with Vampires · Wanderings with Werewolves · Year with the Yeti · The Essential Defence Against the Dark Arts · Defensive Magical Theory · Dark Arts Defence – Basics for Beginners · Confronting the Faceless · Defence Against the Dark Arts
Spells studied
Aqua Eructo · Boggart-Banishing Spell (Riddikulus) · Bombarda Maxima · Cave inimicum · Concealment Charms · Counter-curses · Counter-jinxes · Cruciatus Curse (Crucio) · Curse of the Bogies (Mucus ad Nauseam) · Cursed barrier spell · Densaugeo · Deprimo Spell (Deprimo) · Disarming Charm (Expelliarmus) · Ear-Shrivelling Curse · Everte Statum · Freezing Spell (Glacius) · Full Body-Bind Curse (Petrificus Totalus) · Fumos Duo · Green Sparks · Hex-Breaker· Hex-deflection · Hex Zapper · Homorphus Charm · Human-presence-revealing Spell (Homenum Revelio) · Impediment Jinx (Impedimenta) · Imperius Curse (Imperio) · Imperturbable Charm · Killing Curse (Avada Kedavra) · Knockback Jinx (Flipendo) · Lacarnum Inflamari · Langlock · Levitation Spell (Levioso) · Limbo Mist anticharm · Nonverbal spells · Patronus Charm (Expecto Patronum) · Pimple Jinx (Furnunculus) · Protective enchantments · Red Sparks (Vermillious) · Reductor Curse (Reducto) · Salvio hexia · Sea Urchin Jinx · Seize and pull charm (Carpe Retractum) · Shield Charm (Protego) · Smokescreen Spell (Fumos) · Snake-Vanishing Spell (Vipera Evanesca) · Softening Charm (Spongify) · Stretching Jinx · Tickling Charm (Rictusempra) · Tongue-Tying Curse (Mimblewimble) · Trip Jinx · Twitchy-Ears Hex · Verdimillious Charm (Verdimillious) · Verdimillious Duo Spell (Verdimillious) · Verdimillious Tria · Vermillious Duo · Vermillious Tria · Wand-Extinguishing Charm (Nox) · Wand-Lighting Charm (Lumos)
Creatures studied
Banshee · Boggart · Chameleon Ghoul · Charmed skeleton · Cornish Pixie · Dementor · Dugbog · Erkling · Flesh-Eating Slug · Ghost · Ghoul · Gnome · Grindylow · Gytrash · Hag · Hinkypunk · Iguana · Imp · Inferius · Kappa · Manticore · Nocturnal beasts · Nogtail · Poltergeist · Red Cap · Snake · Troll · Vampire · Vampire bat · Werewolf · Yeti · Zombie
Essays and homework
Essay on Dementors · Essay on resisting the Imperius Curse · Essay on vampires · Essay on werewolves · The Sin of Tardiness