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Tom Riddle: "Stand aside, Hagrid!"
Rubeus Hagrid: "No!"
Tom Riddle: "Cistem aperio!"
— Riddle's use of the spell in 1943[src]
Cistem Aperio is the incantation of a charm that is used to open trunks, chests, boxes or other containers.[1]

History

Tom Riddle used this spell to open the chest in which Aragog, the pet Acromantula of Rubeus Hagrid, lived in during its time at Hogwarts Castle.[1]

During the 1987–1988 school year at Hogwarts School of Witchcraft and Wizardry, Professor Filius Flitwick taught this charm to Jacob's sibling and classmates in fourth year Charms class.[2]

Known practitioners

Etymology

Aperio is Latin for open, uncover, lay bare, reveal, or make clear. Cistem is a corruption of cistam, a form of the Latin word for 'box' or 'basket'.

Behind the scenes

Severus spell

Severus Snape possibly casting the spell

Appearances

Notes and references

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Harry Potter and the Chamber of Secrets (film) (Chapter Twenty-Three - Tom Riddle)
  2. 2.0 2.1 Harry Potter: Hogwarts Mystery, Year 4, Chapter 7 (Beast, Beings, and Creatures)


Charms (class)
PS Wingardium Leviosa feather
Charmbook writers and developers
Blagdon Blay · 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 Achievements in Charming · Extreme Incantations · Quintessence: A Quest · The Standard Book of Spells
Charms studied at Hogwarts
Banishing Charm (Depulso) · Cheering Charm · Cistem Aperio · Colour Change Charm (Colovaria) · Confundus Charm (Confundo) · 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 · Knitting Charm · 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) · Lumos Maxima · Water-Making Spell (Aguamenti)
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