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"With this powerful curse, skilled wizards can easily reduce obstacles to pieces. For obvious reasons great care must be exercised when learning and practising this spell, lest you find yourself sweeping up in detention for it is all too easy to bring your classroom ceiling crashing down, or to reduce your teacher's desk to a fine mist."
Miranda Goshawk[src]

The Reductor Curse[3] (Reducto[1]) is a curse that blasts solid objects to pieces.[1] It is rather easy to reduce a target to a fine mist[3] or a pile of ashes.[2] Harry Potter taught this curse to Dumbledore's Army during the 1995–1996 school year

History

It is unknown when and who invented this spell. It was used multiple times during the Second Wizarding War. It is also featured in the Wonderbook: Book of Spells and is commented on by Miranda Goshawk.

During the 1988–1989 school year at Hogwarts School of Witchcraft and Wizardry, the then Defence Against the Dark Arts Professor Patricia Rakepick taught this spell to her fifth year DADA students, in order to teach them something both highly practical and useful in their education.[4]

This is one of the spells that Harry Potter taught Dumbledore's Army, having previously used the spell during the Triwizard Tournament. It was used heavily by members of the DA that participated in the Battle of the Department of Mysteries in June 1996.

Known uses

" Five different voices behind him bellowed, "REDUCTO!" Five curses flew in five different directions and the shelves opposite them exploded as they hit; the towering structure swayed as a hundred glass spheres burst apart, pearly-white figures unfurled into the air and floated there, their voices echoing from who knew what long-dead past amid the torrent of crashing glass and splintered wood now raining down upon the floor — "
D.A. members smashing the shelves in the Hall of Prophecy[src]
Caster(s) Date Notes
Severus Snape 25 December, 1994 Snape used this on rosebushes at the Yule Ball after his talk with Karkaroff.
Harry Potter June 1995 Harry learned this spell in 1995 in preparation for the third task of the Triwizard Tournament.
24 June, 1995 He used it in the hedge maze to try and disperse the Limbo mist that was placed there as an obstacle.
He used it again when he need to blast away a bush to get through and save Cedric from Victor, who was under the Imperius Curse.
Parvati Patil Fall 1995 Parvati used this curse during a D.A. to reduce a table to rubble.
Harry Potter 18 June, 1996

This spell was later used during the Battle of the Department of Mysteries and resulted in the smashing of the shelves in the Hall of Prophecy.

Hermione Granger
Ginny Weasley
Ron Weasley
Luna Lovegood
Neville Longbottom
Order of the Phoenix member

30 June, 1997

Used to try and get past the Cursed Barrier in The Battle of the Astronomy Tower, the night Albus Dumbledore died

Known practitioners

Etymology

The incantation "reducto" is  Latin for "reduce" or "bring down".

Behind the scenes

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Ginny Weasley casting the spell

  • In the Harry Potter and the Order of the Phoenix (film), only Ginny casts the Reductor Curse to smash the shelves in the Hall of Prophecy, instead of every D.A. member present.
  • In LEGO Harry Potter: Years 5-7, The Reductor Curse is the standard offensive spell that enemies, in particular Death Eaters, will cast at the player's character to attack them.[7]
  • In Harry Potter and the Deathly Hallows: Part 2, Hermione casts Reducto to destroy a railing in order to clear her path so she could jump onto the Ukrainian Ironbelly, and again to force the dragon to take off from the top of Gringotts' spire when it stopped for a rest.

Appearances

Notes and references


Charms (class)
PS Wingardium Leviosa feather
Charmbook writers and developers
Daisy Pennifold · Delfina Crimp · Miranda Goshawk · Jarleth Hobart · Basil Horton · Randolph Keitch ·
Levina Monkstanley · Orabella Nuttley · Mnemone Radford · Scarpin · Elliot Smethwyck ·
Felix Summerbee · Fred Weasley · George Weasley · Violeta Stitch
Professors Fortinbras · Filius Flitwick
Textbooks The Standard Book of Spells · Achievements in Charming · Quintessence: A Quest · Extreme Incantations
Charms studied at Hogwarts
Banishing Charm (Depulso) · Cheering Charm · Cistem Aperio · Colour Change Charm (Colovaria) · Dancing Feet Spell (Tarantallegra) · Descendo · Disillusionment Charm · Drought Charm · Eradication Spell (Deletrius) · Engorgement Charm (Engorgio) · Exploding Charm (Bombarda) · Fire-Making Spell (Incendio) · Freezing Charm (Immobulus) · Freezing Spell (Glacius) · Full Body-Bind Curse (Petrificus Totalus) · General Counter-Spell (Finite Incantatem) · Growth Charm · Hardening Charm (Duro) · Knockback Jinx (Flipendo) · Leg-Locker Curse (Locomotor Mortis) · Levitation Charm (Wingardium Leviosa) · Locking Spell (Colloportus) · Locomotion Charm (Locomotor) · Mending Charm (Reparo) · Memory Charm (Obliviate) · Muffliato Charm (Muffliato) · Nonverbal spell · Pack Charm (Pack) · Red Sparks (Vermillious) · Reductor Curse (Reducto) · Scouring Charm (Scourgify) · Seize and Pull Charm (Carpe Retractum) · Severing Charm (Diffindo) · Shrinking Charm (Reducio) · Silencing Charm (Silencio) · Slowing Charm (Arresto Momentum) · Skurge Scouring Charm (Skurge) · Softening Charm (Spongify) · Spell for growing legs · Substantive Charm · Summoning Charm (Accio) · Tickling Charm (Rictusempra) · Unlocking Charm (Alohomora) · Vinegar into Wine · Wand-Extinguishing Charm (Nox) · Wand-Lighting Charm (Lumos) · Wand-Lighting Charm Duo · Lumos Maxima · Water-Making Spell (Aguamenti)


Defence Against the Dark Arts (D.A.D.A.)
Subjectsdada
D.A.D.A. at Hogwarts
Classroom 3C · Temporary Classroom · Hogwarts Turris Magnus · Teacher's Office · Storeroom · Staircase · Lesson Cup · Race Cup · Dumbledore's Army
Professors
Arsenius Jigger · Albus Dumbledore · Galatea Merrythought · Patricia Rakepick · Quirinus Quirrell · Gilderoy Lockhart · Remus Lupin · Bartemius Crouch Junior (as Alastor Moody) · Dolores Umbridge · Severus Snape · Amycus Carrow (as Dark Arts teacher)
Textbooks
The Dark Forces: A Guide to Self-Protection · 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 · Magical Drafts and Potions
Spells studied at Hogwarts under D.A.D.A.
Aqua Eructo Charm · Boggart-Banishing Spell · Counter-curses · Counter-jinxes · Counter-spells · Curse of the Bogies · Defensive Charms · Densaugeo · Deprimo · Disarming Charm · Ebublio Jinx · Everte Statum · Freezing Spell · Full Body-Bind Curse · Green Sparks · Hex-Breaker· Hex-deflection · Hex Zapper · Homorphus Charm · Impediment Jinx · Knockback Jinx · Knockback Jinx Duo · Lacarnum Inflamari · Melofors Jinx · Nonverbal spells · Orbis Jinx · Patronus Charm · Red Sparks · Reductor Curse · Revulsion Jinx · Salvio hexia · Seize and Pull Charm · Shield Charm · Smokescreen Spell · Snake-Vanishing Spell · Stunning Spell · Tickling Charm · Tongue-Tying Curse · Trip Jinx · Ventus Jinx · Verdimillious Charm · Verdimillious Duo Spell · Verdimillious Tria · Wand-Lighting Charm · Wand-Lighting Charm Duo · Cruciatus Curse · Imperius Curse · Killing Curse
Creatures studied at Hogwarts under D.A.D.A.
Banshee · Boggart · Cornish Pixie · Dementor · Erkling · Ghost · Ghoul · Grindylow · Gytrash · Hag · Hinkypunk · Iguana · Imp · Inferius · Kappa · Nocturnal beasts · Red Cap · Snake · Troll · Vampire · Vampire bat · Werewolf · Yeti · Zombie
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