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{{Spoiler|HM|PAS|MA}}
 
{{Spell infobox
 
{{Spell infobox
  +
|name = Boggart-Banishing Spell
|name=Riddikulus
 
|image=[[File:Riddikulus.gif|250px]]
+
|image = Snape boggart.gif
  +
|incantation = ''Riddikulus''<ref name="POA7"/><br/>(ri-di-KULL-lis)<ref name="POAF11">{{POA|F}} - Chapter 11 (''Boggart in the Wardrobe'')</ref>
|type=[[Charm]]
 
  +
|type = [[Charm]]<ref name="POA7"/>
|incantation=''Riddikulus''<br/>(rih-Di-Kyu-luss)
 
|hand=[[File:Ridhand.png]]
+
|hand = [[File:Ridhand.png]]
|light=None (whip-crack noise)
+
|light = None<ref name="POA7"/>
|effect=Gets rid of [[Boggart]]s
+
|effect = Turned a [[Boggart]] into something amusing<ref name="POA7"/>
  +
|creator =
 
}}
 
}}
  +
{{Quote|The spell that defeats a Boggart can be tricky, because it involves making the creature into a figure of fun, so that fear can be dispelled in amusement. If the caster is able to laugh aloud at the Boggart, it will disappear at once. The incantation is ‘Riddikulus’, and the intention is to force the Boggart to assume a less-threatening and hopefully comical form.|Description of the Boggart-Banishing Spell|Pottermore}}
  +
The '''Boggart-Banishing Spell'''<ref name="PM-moment">{{PM}} Moment - Book 3, Chapter 7</ref> (''Riddikulus'')<ref name="POA7"/> was a [[charm]] that was used to defeat a [[Boggart]].<ref name="POA7"/> It caused the creature to assume a form that was humorous to the caster, along with a whip-crack noise, thereby taking away the Boggart's ability to terrorise.<ref name="POA7">{{POA|B|7}}</ref>
   
  +
Boggarts were defeated by laughter, so forcing them to assume an amusing form was the first step to defeating them.<ref name="POA7"/> However, because Boggarts were [[Amortality|amortal]],<ref name="PM-boggart">{{WW|boggart}}</ref> this spell does not truly destroy them, similar to the [[Patronus Charm]], but merely "banish" them — meaning the defeated Boggart will vanish, and presumably re-materialise elsewhere; it is also possible that Boggarts did not dissipate and instead fled, afraid of laughter.
{{Quote|'R-r-riddikulus!' squeaked Neville. There was a noise like a whip-crack.|Neville casts this spell.|Harry Potter and the Prisoner of Azkaban}}
 
'''''Riddikulus''''' is a [[charm]] that is used in defence against a [[Boggart]]. It causes the creature to assume a form that is humourous to the caster, thereby counteracting the Boggart's ability to terrorise. Boggarts are defeated by laughter, so forcing them to assume an amusing form is the first step to defeating them. However, as Boggarts are ammortal, this spell does not truly dispel them, similar to the [[Patronus Charm]].
 
   
  +
==History==
To cast, the spellcaster must first acknowledge what they fear the most (as it will most likely what the Boggart will take form of) and then visualize it into something amusing. The problem is, because the Boggart would have assume said form at the moment of direct encounter, the one attempting to use this charm would have lost concentration after seeing the Boggart manifest their worst fears, making this spell useless. As such, it is always advisable to first take one step at a time when practicing this enchantment.
 
  +
{{Quote|The charm that repels a boggart is simple, yet it requires force of mind. You see, the thing that really finishes a boggart is laughter. What you need to do is force it to assume a shape that you find amusing. We will practice the charm without wands first. After me, please ... riddikulus!|Remus Lupin teaching third years how to perform this charm in a 1993 Defence Against the Dark Arts class|Harry Potter and the Prisoner of Azkaban}}
  +
This was one of the spells that [[Professor]] [[Albus Dumbledore]] taught his [[Defence Against the Dark Arts]] class in the [[1910s]]. Among those students were [[Newton Scamander]] and [[Leta Lestrange]]; the aforementioned of which mastered the spell, whilst the latter failed to do so.<ref name="COGS69"/>
   
  +
At the start of the [[1986–1987 school year]], [[Professor]] [[Pomona Sprout]] used this spell to banish a [[Boggart]] that manifested in the [[Hogwarts greenhouses|Greenhouse]] after [[Herbology]] class.<ref name="HM31">{{HM|3|1|h}}</ref> Throughout the school year, [[Jacob's sibling]] used this spell on various occasions against Boggarts that had been released due to someone having tampered with the [[Vault of Fear]], including the [[Break-in of the Vault of Fear|break-in]] of the Vault by themselves.<ref name="HM37">{{HM|3|7}}</ref><ref name="HM39">{{HM|3|9}}</ref>
Professor [[Remus Lupin]] taught this to his [[third year]] [[Defence Against the Dark Arts]] class. Thanks to Lupin's teaching, [[Harry Potter]] was able to use this against a Boggart in the [[Triwizard Tournament|Triwizard Maze]] in [[1995]].
 
   
  +
In [[September]] [[1993]], [[Professor]] [[Remus Lupin]] taught this spell to his [[third year]] [[Defence Against the Dark Arts]] class in.<ref name="POA7">{{POA|B|7}}</ref> Thanks to Lupin's teaching, [[Harry Potter]] was able to use this against a Boggart in the [[Triwizard Tournament|Triwizard Maze]] in [[1995]].<ref name="GOF31">{{GOF|B|31}}</ref>
==Etymology==
 
  +
"Riddikulus" is an adaptation of "ridiculous" as well as of ''ridiculum'' (Latin, "joke") and ''ridere'' (Latin, "to laugh").
 
  +
This spell was apart of the practical examination of the [[Defence Against the Dark Arts]] O.W.L.<ref name="OOTP31" />
  +
  +
During the [[Calamity]] of the [[2010s]], members of the [[Statute of Secrecy Task Force]] often used this charm to combat Boggart [[Confoundable]]s in order to release [[Foundable]]s.<ref name="WU">{{WU}}</ref>
  +
  +
==Casting==
  +
{{Quote|...You will raise your wand — thus — and cry 'Riddikulus' — and concentrate hard on your grandmother's clothes. If all goes well, Professor Boggart Snape will be forced into that vulture-topped hat, and that green dress, with that big red handbag.|[[Remus Lupin|Professor Lupin]] teaching the spell to [[Neville Longbottom]]|Harry Potter and the Prisoner of Azkaban}}
  +
[[File:RiddikulusHM.png|thumb|The comical nature of this charm|alt=|left]]
  +
A simple charm that required the force of mind, to cast, the spell caster must first acknowledge what they fear the most (as it will most likely be what the Boggart will take the form of) and then visualise it into something amusing.
   
  +
The problem was because the Boggart would have assumed said form at the moment of direct encounter, the one attempting to use this charm would usually have lost concentration after seeing the Boggart manifest their worst fears, making this spell useless. As such, it was always advisable to first take one step at a time when practising this spell.<ref name="POA7" />
==Boggarts==
 
   
  +
==Known uses==
{|cellspacing="0" border="1" bgcolor="white"
 
  +
{{Quote|'R-r-riddikulus!' squeaked Neville. There was a noise like a whip-crack. Snape stumbled; he was wearing a long, lace-trimmed dress and a towering hat topped with a moth-eaten vulture, and he was swinging a huge crimson handbag.|[[Neville Longbottom]] casts this spell successfully|Harry Potter and the Prisoner of Azkaban}}
!Person
 
  +
{| class="wikitable" border="1" 500px; "
!Fear
 
!Riddikulus
 
 
|-
 
|-
  +
! align="center" width="20%" |Caster(s)
|[[Albus Dumbledore]]
 
  +
! align="center" width="20%" |Date
|The corpse of his sister [[Ariana Dumbledore]]<ref>[http://www.the-leaky-cauldron.org/2007/7/30/j-k-rowling-web-chat-transcript "A transcript of a web chat with J.K. Rowling"] from [http://www.the-leaky-cauldron.org/ The Leaky Cauldron]</ref>
 
  +
! scope="col" |Notes
|Unknown
 
 
|-
 
|-
  +
|[[Unidentified Hufflepuff girl (V)|Unidentified Hufflepuff girl]]
|[[Seamus Finnigan]]
 
|A [[banshee]]
+
| rowspan="5" |[[1913]]
  +
|The student cast the spell on a boggart during a class taught by [[Albus Dumbledore]] immediately before fellow [[Hufflepuff]] Newt Scamander.<ref name="COGS69">{{COG|S|69}}</ref>
|She lost her voice.
 
  +
|-
  +
|[[Newton Scamander|Newt Scamander]]
  +
|In a [[Defence Against the Dark Arts]] class taught by [[Albus Dumbledore]], Newt successfully cast the spell against a Boggart.<ref name="COGS69" /><br />
  +
  +
[[File:NewtRiddikulus.gif|thumb|250px|left]]
  +
|-
  +
| rowspan="3" |Unidentified student
  +
|Used the spell to turn a Boggart in the shape of a [[shark]] into a flotation device in the same lesson.<ref name="COGS69" />
  +
|-
  +
|Used the spell to turn a Boggart in the shape of a [[zombie]] into having the head of a [[pumpkin]] in the same lesson.<ref name="COGS69" />
  +
|-
  +
| Used the spell to turn a Boggart in the shape of a [[vampire]] into a buck-toothed bunny [[rabbit]] in the same lesson.<ref name="COGS69" />
  +
|-
  +
|[[Lyall Lupin]]
  +
|Late [[1950]]s or early [[1960]]s
  +
|Banished a Boggart for the [[Non-magic people|Muggle]] [[Hope Howell]] after it turned into an evil, large looking [[Human|man]] for her in a dense forest; he turned it into a field [[mushroom]].<ref name="PMLupin">{{WW|remus-lupin}}</ref>
  +
|-
  +
|[[Pomona Sprout]]
  +
| rowspan="5" |[[1986–1987 school year]]
  +
| Used it to banish a Boggart in the [[Hogwarts greenhouses]], after it manifested as a [[werewolf]] for [[Penny Haywood]].<ref name="HM31" />
  +
|-
  +
| rowspan="4" |[[Jacob's sibling]]
  +
|Used it to banish a Boggart in the form of [[Merula Snyde]] for [[Tulip Karasu]].<ref name="HM37" />
  +
|-
  +
|Used it to banish a Boggart in the form of [[Tom Riddle|Lord Voldemort]] in [[Jacob's room]].<ref name="HM37" />
  +
|-
  +
|Used it to banish several Boggarts in the [[Vault of Fear]].<ref name="HM39" />
 
|-
 
|-
  +
|Used it to banish the [[Boggart in Hogsmeade]].<ref name="SOTDL">{{HM|3|SHADOWS OF THE DARK LORD}}</ref>
|[[Hermione Granger]]
 
|[[Minerva McGonagall|Professor McGonagall]] telling her that she failed her exams or failure in general.
 
|[[Minerva McGonagall|Professor McGonagall]] giving her an award.<ref>''[[LEGO Harry Potter: Years 1-4]]''</ref>
 
 
|-
 
|-
 
|[[Neville Longbottom]]
 
|[[Neville Longbottom]]
  +
| rowspan="6" |[[September]] [[1993]]
|[[Severus Snape]]
 
  +
|Used it to defeat a [[Boggart in the Wardrobe|Boggart]] in the form of [[Severus Snape]], during a [[Defence Against the Dark Arts]] with [[Professor]] [[Remus Lupin]].<ref name="POA7" />
|Snape was wearing [[Augusta Longbottom|Neville's grandmother]]'s clothes.
 
 
|-
 
|-
|[[Remus Lupin]]
+
|[[Ronald Weasley]]
  +
|Used it to defeat a Boggart in the form of a [[Aragog|giant spider]], by removing its legs.<ref name="POA7" />
|Full moon
 
|A balloon
 
 
|-
 
|-
|[[Harry Potter]]
+
|[[Seamus Finnigan]]
  +
|Used it to defeat a Boggart in the form of a [[banshee]], by silencing its voice.<ref name="POA7" />
|A [[Dementor]] (or simply "fear", as stated by [[Remus Lupin|Lupin]])
 
  +
|-
|Smoke/uses [[Patronus|Patronus Charm]].
 
  +
|[[Dean Thomas]]
  +
|Used it to defeat a Boggart in the form of a [[Loose Hand]], by trapping it in a [[mousetrap]].<ref name="POA7" />
 
|-
 
|-
 
|[[Parvati Patil]]
 
|[[Parvati Patil]]
  +
|Used it to defeat a Boggart in the form of a [[mummy]], by unravelling its sheets.<ref name="POA7" />
|A [[Mummy|mummy]]
 
|It tripped over its bandages.
 
 
|-
 
|-
  +
|[[Remus Lupin]]
|[[Tom Riddle|Tom Marvolo Riddle]]
 
  +
|Used it to defeat a Boggart in the form of a full [[moon]], by turning it into a [[cockroach]].<ref name="POA7" />
|His own dead body
 
|Unknown
 
 
|-
 
|-
  +
| colspan="1" |[[Third year|Third-years]]
|[[Dean Thomas]]
 
  +
|June [[1994]]
|Disembodied living hand
 
  +
| The [[third year]] [[Defence Against the Dark Arts]] exam was an obstacle course of dark creatures which included; climbing into an old trunk and battling a Boggart.<ref name-"poa16"="">{{POA|B|16}}</ref>
|Caught in a mousetrap
 
  +
|-
  +
| colspan="1" rowspan="2" |[[Harry Potter]]
  +
|[[24 June]], [[1995]]
  +
|Harry used this against a [[Boggart]] in the [[Triwizard Maze|maze]] during the [[Triwizard Tournament]].<ref name="GOF31">{{GOF|B|31}}</ref>
  +
|-
  +
|[[June]] [[1996]]
  +
|Harry cast the spell "perfectly" during the practical part of his [[Defence Against the Dark Arts]] [[Ordinary Wizarding Level|O.W.L.]]<ref name="OOTP31">{{OOTP|B|31}}</ref>
 
|-
 
|-
 
|[[Molly Weasley]]
 
|[[Molly Weasley]]
  +
| rowspan="2" |[[August]] 1995
|Dead family/friends
 
  +
|Molly tried and failed to use this [[spell]] against the Boggart at [[12 Grimmauld Place]].<ref name="OOTP9">{{OOTP|B|9}}</ref>
|Unknown
 
 
|-
 
|-
  +
|[[Remus Lupin]]
|[[Ronald Weasley|Ron Weasley]]
 
  +
|Used this spell to deal with the Boggart at [[12 Grimmauld Place]], after when Molly Weasley failed to.<ref name="OOTP9" />
|[[Acromantula|Giant spider]] (or any [[spider]] for that matter)
 
|No legs
 
 
|-
 
|-
  +
|[[Unidentified Muggle-born Hogwarts student]]
|[[Padma Patil]]
 
  +
| rowspan="2" |[[2010–2011 school year]]
|A [[Snake|giant cobra]]
 
  +
|Used this spell against a [[Boggart]] in the form of an [[Acromantula]].<ref name="MA">{{MA}}</ref>
|A jack in a box
 
 
|-
 
|-
  +
|[[Daniel Page]]
|
 
  +
|Used this spell against the same [[Boggart]] in the form of [[Kaleena Page|his mother]] as a criminal.<ref name="MA"/>
*[[Minerva McGonagall]]
 
*[[Rubeus Hagrid]]
 
*[[Filius Flitwick]]
 
*[[Severus Snape]]
 
*[[Alastor Moody]]
 
*[[Rolanda Hooch]]
 
*[[Gilderoy Lockhart]]
 
*[[Poppy Pomfrey]]
 
*[[Irma Pince]]
 
*[[Pomona Sprout]]
 
*[[Sybill Trelawney]]
 
*[[Aurora Sinistra]]
 
*[[Septima Vector]]
 
*[[Katie Bell]]
 
*[[Seamus Finnigan]]
 
*[[Percy Weasley]]
 
*[[Fred Weasley]]
 
*[[George Weasley]]
 
*[[Oliver Wood]]
 
*[[Ginevra Weasley]]
 
*[[Colin Creevey]]
 
*[[Parvati Patil]]
 
*[[Angelina Johnson]]
 
*[[Lee Jordan]]
 
*[[Alicia Spinnet]]
 
*[[Draco Malfoy]]
 
*[[Vincent Crabbe]]
 
*[[Gregory Goyle]]
 
*[[Marcus Flint]]
 
*[[Millicent Bulstrode]]
 
*[[Padma Patil]]
 
*[[Cho Chang]]
 
*[[Penelope Clearwater]]
 
*[[Justin Finch-Fletchley]]
 
*[[Cedric Diggory]]
 
*[[Susan Bones]]
 
*[[Ernest Macmillan|Ernie Macmillan]]
 
*[[Hannah Abbott]]
 
*[[Arthur Weasley]]
 
*[[Unidentified registered Animagus]]
 
*[[Sirius Black]]
 
*[[Lucius Malfoy]]
 
*[[Tom Riddle]]
 
*[[Igor Karkaroff]]
 
*[[Dobby]]
 
*[[Amos Diggory]]
 
*[[Bartemius Crouch Sr.]]
 
*[[Doris Crockford]]
 
*[[Garrick Ollivander]]
 
*[[Tom]]
 
*[[Madam Malkin]]
 
*[[Madam Rosmerta]]
 
*[[Stan Shunpike]]
 
*[[Rita Skeeter]]
 
*[[Cornelius Fudge]]
 
*[[Ernie Prang]]
 
*[[Myron Wagtail]]
 
*[[Kirley Duke]]
 
*[[Donaghan Tremlett]]
 
*[[Orsino Thruston]]
 
*[[Shifty wizard]]
 
*[[Honeydukes Express lady]]
 
*[[Fleur Delacour]]
 
*[[Viktor Krum]]
 
*[[Gabrielle Delacour]]
 
|[[Tom Riddle|Lord Voldemort]]
 
|Voldemort gets a dummy.<ref>''[[LEGO Harry Potter: Years 1-4]]''</ref>
 
 
|}
 
|}
  +
  +
==Known practitioners==
  +
<gallery widths="105" orientation="portrait" spacing="small" position="center">
  +
Newton_Scamander_Profile_crop.png|[[Newton Scamander]]<ref name="COGS69"/>
  +
LyallLupin.png|[[Lyall Lupin]]<ref name="PMLupin"/>
  +
Pomona Sprout with wand.jpg|[[Pomona Sprout]]<ref name="HM31"/>
  +
Jacob's sibling generic.png|[[Jacob's sibling]]<ref name="HM37"/><ref name="HM39"/><ref name="SOTDL"/>
  +
Penny Haywood HM8.png|[[Penny Haywood]]<ref name="SOTDL"/>
  +
Barnaby Lee HM8.png|[[Barnaby Lee]]<ref name="SOTDL"/>
  +
Tulip Karasu HM8.png|[[Tulip Karasu]]<ref name="SOTDL"/>
  +
Remus_Lupin_Deathly_Hallows_promo_image.jpg|[[Remus Lupin]]<ref name="POA7"/><ref name="OOTP9"/>
  +
Neville HBP 1996.jpg|[[Neville Longbottom]]<ref name="POA7"/>
  +
Ron Weasley Half Blood Prince.jpg|[[Ronald Weasley]]<ref name="POA7"/>
  +
Seamus_Finnigan.jpg|[[Seamus Finnigan]]<ref name="POA7"/>
  +
Dean_Thomas_prop.png|[[Dean Thomas]]<ref name="POA7"/>
  +
Parvati Patil headshot.jpg|[[Parvati Patil]]<ref name="POA7"/>
  +
HBP promo side Harry cropped.jpg|[[Harry Potter]]<ref name="GOF31"/><ref name="OOTP31"/>
  +
Molly Weasley Half Blood Prince.jpg|[[Molly Weasley]]<ref name="OOTP9"/>
  +
Alastor Moody Profile.jpg|[[Alastor Moody]]<ref name="OOTP9"/>
  +
Daniel Page.png|[[Daniel Page]]<ref name="MA"/>
  +
</gallery>
  +
*[[Unidentified Muggle-born Hogwarts student]]<ref name="MA"/>
  +
  +
==Etymology==
  +
"Riddikulus" is an adaptation of the English adjective "ridiculous" as well as of the Latin noun ''ridiculum'' ("joke") and Latin verb ''ridere'' ("to laugh").
   
 
==Behind the scenes==
 
==Behind the scenes==
  +
[[File:RiddikulusPAS.png|200px|thumb|This spell's icon in {{PAS}}]]
*In ''[[LEGO Harry Potter: Years 1-4]]'', only Ron and Hermione learn this spell due to Harry being locked out of the class while Lupin is teaching it to his class. Harry instead learns [[Expecto Patronum]] from Lupin to defeat his [[Dementor]] boggart, and in return Ron and Hermione do not learn Expecto Patronum.
 
  +
[[File:Riddikulus wand movement WU.png|200px|thumb|The spell's wand movement path as seen in {{WU}}]]
  +
*Despite the spell canonically producing no light, the July 2018 trailer for {{COG}} shows a brief flash of white light upon the incantation being spoken, both times the spell is cast. This may have been done for stylistic choices.
  +
*The effect of the Boggart-Banishing Spell varies throughout the series. In {{POA}}, it has its stated effect of forcing a Boggart into an amusing form and otherwise does not harm it. In {{GOF}}, however, Harry uses the spell to make a Boggart-Dementor explode into a wisp of smoke (though it is possible he found a Dementor collapsing into wisps of smoke "funny", and the Boggart was forced to take the form of an exploded Dementor, more than it actually exploded in earnest). Various anecdotes on{{PM}} describe ''Riddikulus'' transforming Boggarts in a variety of ways, not all of which being directly related to making the Boggart funny.
  +
*The wand movement given for the Boggart-Banishing Spell resembles a large grin, likely on purpose.
  +
*In {{LEGO|Y1}}, only Ron and Hermione learn this spell due to Harry being locked out of the class by [[Draco Malfoy]] while Lupin is teaching it to his class. Harry instead learns [[Patronus Charm|Expecto Patronum]] from Lupin to defeat his [[Dementor]] boggart, and in return Ron and Hermione do not learn ''Expecto Patronum''.<ref name="LEGOHP1-4">{{LEGO|Y1}}</ref>
  +
*In {{LEGO|D}}, ''Riddikulus'' is one of Hermione's abilities, though it does nothing more than break nearby objects and damage nearby enemies.<ref name="LEGOD">{{LEGO|D}}</ref>
   
 
==Appearances==
 
==Appearances==
  +
{{Imagecat|Images of the Boggart-Banishing Spell}}
*''[[Harry Potter and the Prisoner of Azkaban]]'' {{1st}}
 
  +
*{{POA}} {{1st}}
*''[[Harry Potter and the Prisoner of Azkaban (film)]]''
 
  +
*{{POA|F}}
*''[[Harry Potter and the Prisoner of Azkaban (video game)]]''
 
  +
*{{POA|G}}
*''[[Harry Potter and the Goblet of Fire]]''
 
  +
*{{GOF}}
*''[[Harry Potter and the Order of the Phoenix]]'' {{1st ID}}
 
  +
*{{OOTP}}
*''[[LEGO Harry Potter: Building the Magical World]]'' {{Mention}}
 
  +
*{{COG|S}} {{Flashback}}
*''[[LEGO Harry Potter: Years 1-4]]''
 
  +
*{{COG}} {{Flashback}}
  +
*{{LEGO|B}} {{Mention}}
  +
*{{LEGO|Y1}}
  +
*{{LEGO|D}}
  +
*{{HPV|CH}}
  +
*{{HPV|CR}}
  +
*{{PM}}
  +
*{{WW}} {{Mention}}
  +
*{{HM}}
  +
*{{WU}}
  +
*{{PAS}}
  +
*{{MA}}
   
 
==Notes and references==
 
==Notes and references==
 
{{Reflist}}
 
{{Reflist}}
  +
{{Defence Against the Dark Arts}}
   
[[fr:Riddikulus]]
 
[[fi:Naurretavus]]
 
 
[[Category:Charms]]
 
[[Category:Charms]]
[[Category:Spells]]
+
[[Category:Defence Against the Dark Arts]]
[[Category:Boggarts]]
+
[[Category:Spells with incantations of Latin origin]]
  +
[[Category:Triwizard Tournament]]
  +
  +
[[de:Riddikulus]]
  +
[[es:Encantamiento repulsor de boggarts]]
  +
[[fi:Naurretavus]]
  +
[[fr:Riddikulus]]
  +
[[pl:Riddikulus]]
  +
[[pt-br:Feitiço de Banimento do Bicho-Papão]]
  +
[[ru:Ридикулус]]

Latest revision as of 03:42, 16 March 2024

"The spell that defeats a Boggart can be tricky, because it involves making the creature into a figure of fun, so that fear can be dispelled in amusement. If the caster is able to laugh aloud at the Boggart, it will disappear at once. The incantation is ‘Riddikulus’, and the intention is to force the Boggart to assume a less-threatening and hopefully comical form."
— Description of the Boggart-Banishing Spell[src]

The Boggart-Banishing Spell[3] (Riddikulus)[1] was a charm that was used to defeat a Boggart.[1] It caused the creature to assume a form that was humorous to the caster, along with a whip-crack noise, thereby taking away the Boggart's ability to terrorise.[1]

Boggarts were defeated by laughter, so forcing them to assume an amusing form was the first step to defeating them.[1] However, because Boggarts were amortal,[4] this spell does not truly destroy them, similar to the Patronus Charm, but merely "banish" them — meaning the defeated Boggart will vanish, and presumably re-materialise elsewhere; it is also possible that Boggarts did not dissipate and instead fled, afraid of laughter.

History

"The charm that repels a boggart is simple, yet it requires force of mind. You see, the thing that really finishes a boggart is laughter. What you need to do is force it to assume a shape that you find amusing. We will practice the charm without wands first. After me, please ... riddikulus!"
— Remus Lupin teaching third years how to perform this charm in a 1993 Defence Against the Dark Arts class[src]

This was one of the spells that Professor Albus Dumbledore taught his Defence Against the Dark Arts class in the 1910s. Among those students were Newton Scamander and Leta Lestrange; the aforementioned of which mastered the spell, whilst the latter failed to do so.[5]

At the start of the 1986–1987 school year, Professor Pomona Sprout used this spell to banish a Boggart that manifested in the Greenhouse after Herbology class.[6] Throughout the school year, Jacob's sibling used this spell on various occasions against Boggarts that had been released due to someone having tampered with the Vault of Fear, including the break-in of the Vault by themselves.[7][8]

In September 1993, Professor Remus Lupin taught this spell to his third year Defence Against the Dark Arts class in.[1] Thanks to Lupin's teaching, Harry Potter was able to use this against a Boggart in the Triwizard Maze in 1995.[9]

This spell was apart of the practical examination of the Defence Against the Dark Arts O.W.L.[10]

During the Calamity of the 2010s, members of the Statute of Secrecy Task Force often used this charm to combat Boggart Confoundables in order to release Foundables.[11]

Casting

"...You will raise your wand — thus — and cry 'Riddikulus' — and concentrate hard on your grandmother's clothes. If all goes well, Professor Boggart Snape will be forced into that vulture-topped hat, and that green dress, with that big red handbag."
Professor Lupin teaching the spell to Neville Longbottom[src]
RiddikulusHM

The comical nature of this charm

A simple charm that required the force of mind, to cast, the spell caster must first acknowledge what they fear the most (as it will most likely be what the Boggart will take the form of) and then visualise it into something amusing.

The problem was because the Boggart would have assumed said form at the moment of direct encounter, the one attempting to use this charm would usually have lost concentration after seeing the Boggart manifest their worst fears, making this spell useless. As such, it was always advisable to first take one step at a time when practising this spell.[1]

Known uses

"'R-r-riddikulus!' squeaked Neville. There was a noise like a whip-crack. Snape stumbled; he was wearing a long, lace-trimmed dress and a towering hat topped with a moth-eaten vulture, and he was swinging a huge crimson handbag."
Neville Longbottom casts this spell successfully[src]
Caster(s) Date Notes
Unidentified Hufflepuff girl 1913 The student cast the spell on a boggart during a class taught by Albus Dumbledore immediately before fellow Hufflepuff Newt Scamander.[5]
Newt Scamander In a Defence Against the Dark Arts class taught by Albus Dumbledore, Newt successfully cast the spell against a Boggart.[5]
NewtRiddikulus
Unidentified student Used the spell to turn a Boggart in the shape of a shark into a flotation device in the same lesson.[5]
Used the spell to turn a Boggart in the shape of a zombie into having the head of a pumpkin in the same lesson.[5]
Used the spell to turn a Boggart in the shape of a vampire into a buck-toothed bunny rabbit in the same lesson.[5]
Lyall Lupin Late 1950s or early 1960s Banished a Boggart for the Muggle Hope Howell after it turned into an evil, large looking man for her in a dense forest; he turned it into a field mushroom.[12]
Pomona Sprout 1986–1987 school year Used it to banish a Boggart in the Hogwarts greenhouses, after it manifested as a werewolf for Penny Haywood.[6]
Jacob's sibling Used it to banish a Boggart in the form of Merula Snyde for Tulip Karasu.[7]
Used it to banish a Boggart in the form of Lord Voldemort in Jacob's room.[7]
Used it to banish several Boggarts in the Vault of Fear.[8]
Used it to banish the Boggart in Hogsmeade.[13]
Neville Longbottom September 1993 Used it to defeat a Boggart in the form of Severus Snape, during a Defence Against the Dark Arts with Professor Remus Lupin.[1]
Ronald Weasley Used it to defeat a Boggart in the form of a giant spider, by removing its legs.[1]
Seamus Finnigan Used it to defeat a Boggart in the form of a banshee, by silencing its voice.[1]
Dean Thomas Used it to defeat a Boggart in the form of a Loose Hand, by trapping it in a mousetrap.[1]
Parvati Patil Used it to defeat a Boggart in the form of a mummy, by unravelling its sheets.[1]
Remus Lupin Used it to defeat a Boggart in the form of a full moon, by turning it into a cockroach.[1]
Third-years June 1994 The third year Defence Against the Dark Arts exam was an obstacle course of dark creatures which included; climbing into an old trunk and battling a Boggart.[14]
Harry Potter 24 June, 1995 Harry used this against a Boggart in the maze during the Triwizard Tournament.[9]
June 1996 Harry cast the spell "perfectly" during the practical part of his Defence Against the Dark Arts O.W.L.[10]
Molly Weasley August 1995 Molly tried and failed to use this spell against the Boggart at 12 Grimmauld Place.[15]
Remus Lupin Used this spell to deal with the Boggart at 12 Grimmauld Place, after when Molly Weasley failed to.[15]
Unidentified Muggle-born Hogwarts student 2010–2011 school year Used this spell against a Boggart in the form of an Acromantula.[16]
Daniel Page Used this spell against the same Boggart in the form of his mother as a criminal.[16]

Known practitioners

Etymology

"Riddikulus" is an adaptation of the English adjective "ridiculous" as well as of the Latin noun ridiculum ("joke") and Latin verb ridere ("to laugh").

Behind the scenes

RiddikulusPAS

This spell's icon in Harry Potter: Puzzles & Spells

Riddikulus wand movement WU

The spell's wand movement path as seen in Harry Potter: Wizards Unite

  • Despite the spell canonically producing no light, the July 2018 trailer for Fantastic Beasts: The Crimes of Grindelwald shows a brief flash of white light upon the incantation being spoken, both times the spell is cast. This may have been done for stylistic choices.
  • The effect of the Boggart-Banishing Spell varies throughout the series. In Harry Potter and the Prisoner of Azkaban, it has its stated effect of forcing a Boggart into an amusing form and otherwise does not harm it. In Harry Potter and the Goblet of Fire, however, Harry uses the spell to make a Boggart-Dementor explode into a wisp of smoke (though it is possible he found a Dementor collapsing into wisps of smoke "funny", and the Boggart was forced to take the form of an exploded Dementor, more than it actually exploded in earnest). Various anecdotes onPottermore describe Riddikulus transforming Boggarts in a variety of ways, not all of which being directly related to making the Boggart funny.
  • The wand movement given for the Boggart-Banishing Spell resembles a large grin, likely on purpose.
  • In LEGO Harry Potter: Years 1-4, only Ron and Hermione learn this spell due to Harry being locked out of the class by Draco Malfoy while Lupin is teaching it to his class. Harry instead learns Expecto Patronum from Lupin to defeat his Dementor boggart, and in return Ron and Hermione do not learn Expecto Patronum.[17]
  • In LEGO Dimensions, Riddikulus is one of Hermione's abilities, though it does nothing more than break nearby objects and damage nearby enemies.[18]

Appearances

Wiki
The Harry Potter Wiki has 28 images related to Boggart-Banishing Spell.

Notes and references

Defence Against the Dark Arts (D.A.D.A.)
Subjectsdada
D.A.D.A. at Hogwarts
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 · 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 at Hogwarts under D.A.D.A.
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-Lighting Charm (Lumos)
Creatures studied at Hogwarts under D.A.D.A.
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