|incantation=''Cistem Aperio''<ref name="F">''[[Harry Potter and the Chamber of Secrets (film)]]'' (''Chapter Twenty-Three - Tom Riddle'')</ref> <br/>(SEESS-tem a-PER-ioh)<ref name="F"/>
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|type=[[Charm]]
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|type=[[Charm]]<ref name="F"/>
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|light=Yellow,white
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|light=White<refname="F"/>
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|hand=Point wand at target
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|hand=Point wand at target<ref name="F"/>
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|effect=Opens chests
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|effect=Opens chests<ref name="F"/>
}}
}}
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{{Dialogue a-b-a|Riddle|Stand aside, Hagrid!|Hagrid|No!|Cistem aperio!|Riddle's use of the spell|Harry Potter and the Chamber of Secrets (film)}}
{{Dialogue a-b-a|Riddle|Stand aside, Hagrid!|Hagrid|No!|Cistem aperio!|Riddle's use of the spell|Harry Potter and the Chamber of Secrets (film)}}
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'''''Cistem Aperio''''' is the incantation for a [[charm]] that is used to open chests. Being more specific that ''[[Unlocking Charm|Alohamora]]'' may increase its potency against a warded target of the appropriate kind. It may be related to ''[[Annihilare]]'', ''[[Dunamis]]'', ''[[Emancipare]]'', and ''[[Liberare]]''.
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==Knownuses==
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'''''CistemAperio''''' is the [[incantation]] of a [[charm]] that is used to blast open a trunk, chest, box or crate with a burst of white light<ref name="F"/>.
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*[[Tom Riddle]] used this spell to blast open the chest in which [[Aragog]], the pet-[[acromantula]] of [[Rubeus Hagrid]], lived in during its time at [[Hogwarts Castle]].
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Being more specific than other [[:Category:Opening spells|opening spells]] in that it works only on trunks, chests, boxes or crates, may increase the [[spell]]'s potency against a warded target of the appropriate kind<ref name="F"/>.
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[[Tom Riddle]] used this spell to blast open the chest in which [[Aragog]], the pet-[[acromantula]] of [[Rubeus Hagrid]], lived in during its time at [[Hogwarts Castle]]<ref name="F"/>.
==Etymology==
==Etymology==
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''Aperio'' is Latin for open, uncover, to uncover, lay bare, reveal, or make clear, the source of the English "appear". ''Cistem'' is Latinforchest, in the objectform.
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''Aperio'' is Latin for open, uncover, to uncover, lay bare, reveal, or make clear, the source of the English "appear". ''Cistem'' is acorruptionof ''cistam,'' aform of the Latinwordfor 'chest'.
==Behind the scenes==
==Behind the scenes==
[[File:Severus_spell.JPG|thumb|right|200px|[[Severus Snape]] possibly casting the spell.]]
[[File:Severus_spell.JPG|thumb|right|200px|[[Severus Snape]] possibly casting the spell.]]
*This spell does not appear in the [[Harry Potter books|books]].
*This spell does not appear in the [[Harry Potter books|books]].
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*It may be related to ''[[Unlocking Charm|Alohomora]]'', ''[[Annihilare]]'', ''[[Dunamis]]'', ''[[Emancipare]]'', ''[[Liberare]]'', ''[[Open Sesame]]'' and ''[[Portaberto]]''.
*[[Severus Snape]] may have used this spell to open [[Alastor Moody's trunk]] in the [[Harry Potter and the Goblet of Fire (film)|film adaptation]] of ''[[Harry Potter and the Goblet of Fire]]''.
*[[Severus Snape]] may have used this spell to open [[Alastor Moody's trunk]] in the [[Harry Potter and the Goblet of Fire (film)|film adaptation]] of ''[[Harry Potter and the Goblet of Fire]]''.
==Appearances==
==Appearances==
*''[[Harry Potter and the Chamber of Secrets (film)]]'' {{1st}}
*''[[Harry Potter and the Chamber of Secrets (film)]]'' {{1st}}
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*''[[Harry Potter and the Goblet of Fire (film)]]'' {{possible}}
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*''[[Harry Potter and the Goblet of Fire (film)]]'' {{Possible}}
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{{Spell-stub}}
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==Notes and references==
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{{Reflist}}
[[Category:Charms]]
[[Category:Charms]]
[[Category:Spells with Incantations of Latin Origin]]
[[Category:Spells with Incantations of Latin Origin]]
Cistem Aperio is the incantation of a charm that is used to blast open a trunk, chest, box or crate with a burst of white light[1].
Being more specific than other opening spells in that it works only on trunks, chests, boxes or crates, may increase the spell's potency against a warded target of the appropriate kind[1].
Aperio is Latin for open, uncover, to uncover, lay bare, reveal, or make clear, the source of the English "appear". Cistem is a corruption of cistam, a form of the Latin word for 'chest'.
Edit
Added by PerryPeverell