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{{Quote|The magical defence of the mind against external penetration. An obscure branch of magic, but a highly useful one.|A basic description of Occlumency|Harry Potter and the Order of the Phoenix}}
 
{{Quote|The magical defence of the mind against external penetration. An obscure branch of magic, but a highly useful one.|A basic description of Occlumency|Harry Potter and the Order of the Phoenix}}
   
'''Occlumency''' is the act of magically closing one's mind against [[Legilimency]]. It is ancient, and has existed since medieval times.<ref name="script">See [http://atrossbooks.com/wp-content/uploads/2011/03/Harry-Potter-and-the-Order-of-the-Phoenix-2nd-draft.pdf this script].</ref> It can prevent a Legilimens from accessing one's thoughts and feelings, or influencing them. A person who practises this art is known as an '''Occlumens'''.
+
'''Occlumency''' is the act of [[magic]]ally closing one's mind against [[Legilimency]]. It is ancient, and has existed since [[Middle Ages|medieval times]].<ref name="script">See [http://atrossbooks.com/wp-content/uploads/2011/03/Harry-Potter-and-the-Order-of-the-Phoenix-2nd-draft.pdf this script].</ref> It can prevent a Legilimens from accessing one's thoughts and feelings, or influencing them. A person who practises this art is known as an '''Occlumens'''.
   
 
==Methods==
 
==Methods==
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[[File:Order-of-the-phoenix-movie-screencaps.com-8309.jpg|245x245px|thumb|left|Harry Potter's first Occlumency lesson with Snape]]
 
[[File:Order-of-the-phoenix-movie-screencaps.com-8309.jpg|245x245px|thumb|left|Harry Potter's first Occlumency lesson with Snape]]
   
The most basic form of Occlumency, judging from Severus Snape's early [[Harry Potter and Severus Snape's private lessons|lessons]] on the subject to [[Harry Potter]], involves clearing one's mind — making it "blank and empty" — in order to prevent a Legilimens from perceiving one's emotions and thoughts. More advanced Occlumency involves suppressing only the thoughts, emotions, and memories that would contradict whatever it is an Occlumens wishes a [[Legilimency|Legilimens]] to believe; hence, it is not obvious that Occlumency is being used even if the person is lying. It requires a great deal of willpower, as with resisting the [[Imperius Curse]], as well as a high degree of mental and emotional discipline. It is also one method of resisting the influence of [[Veritaserum]].<ref name="OTP">{{OOTP}}</ref>
+
The most basic form of Occlumency, judging from Severus Snape's early [[Harry Potter and Severus Snape's private lessons|lessons]] on the subject to [[Harry Potter]], involves clearing one's mind — making it "blank and empty" — in order to prevent a Legilimens from perceiving one's emotions and thoughts. More advanced Occlumency involves suppressing only the thoughts, emotions, and memories that would contradict whatever it is an Occlumens wishes a [[Legilimency|Legilimens]] to believe, producing a "faux" layer of mentality that can totally throw off the perspective of one who uses Legilimency into thinking that the said layer being the legitimate one whilst its bona fide counterpart lies deeper within; hence, it is not obvious that Occlumency is being used even if the person is lying. It requires a great deal of willpower, as with resisting the [[Imperius Curse]], as well as a high degree of mental and emotional discipline. It is also one method of resisting the influence of [[Veritaserum]].<ref name="OTP">{{OOTP}}</ref>
   
Occlumency is not part of the normal curriculum taught at [[Hogwarts School of Witchcraft and Wizardry]] and appears to be a rare and difficult skill.
+
Considered to be an obscure branch of magic despite its usefulness, Occlumency is not part of the normal curriculum taught at [[Hogwarts School of Witchcraft and Wizardry]] and appears to be a rare and difficult skill.
   
 
==Examples==
 
==Examples==
{{Quote|Used properly, the power of Occlumency will help shield you from access or influence. In these lessons I will attempt to penetrate your mind. You will attempt to resist. Prepare yourself! ''Legilimens!'' |Snape during Harry Potter's Occlumency lesson|Harry Potter and the Order of the Phoenix (film)}}
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{{Quote|I am about to attempt to break into your mind. We are going to see how well you resist. I have been told that you have already shown aptitude at [[Spell resistance|resisting]] the [[Imperius Curse]]. . . . You will find that similar powers are needed for this. . . . Brace yourself, now. . . . Legilimens!|Snape teaching Harry Potter Occlumency|Harry Potter and the Order of the Phoenix}}
   
 
[[Gellert Grindelwald]] was a very accomplished Occlumens, as he was able to conceal his true mind from even natural-born Legilimens [[Queenie Goldstein]], which worked in tandem his acting skills and at the time disguising as [[Percival Graves]]. Even in advanced age and long-time imprisonment, Grindelwald remained a powerful practitioner as Voldemort failed to penetrate his mind.
 
[[Gellert Grindelwald]] was a very accomplished Occlumens, as he was able to conceal his true mind from even natural-born Legilimens [[Queenie Goldstein]], which worked in tandem his acting skills and at the time disguising as [[Percival Graves]]. Even in advanced age and long-time imprisonment, Grindelwald remained a powerful practitioner as Voldemort failed to penetrate his mind.
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[[Bartemius Crouch Junior]] was an accomplished Occlumens, as he managed to hide his true mind from [[Albus Dumbledore]] and [[Severus Snape]], both accomplished Legilimens, while disguised as [[Alastor Moody]]. Had Barty not been groggy when stunned later that year, he would have the prowess in Occlumency to resist the [[Veritaserum]].
 
[[Bartemius Crouch Junior]] was an accomplished Occlumens, as he managed to hide his true mind from [[Albus Dumbledore]] and [[Severus Snape]], both accomplished Legilimens, while disguised as [[Alastor Moody]]. Had Barty not been groggy when stunned later that year, he would have the prowess in Occlumency to resist the [[Veritaserum]].
   
In the [[1995–1996 school year|1995-1996 school year]], Albus Dumbledore had [[Severus Snape]] teach [[Harry Potter]] Occlumency in an effort to prevent his mind from being penetrated and influenced by [[Tom Riddle|Lord Voldemort]]. Snape was a highly skilled Occlumens, being able to successfully deceive extremely accomplished [[Legilimency|Legilimens]] Voldemort, but his lessons with Harry were ultimately unsuccessful. Harry was not able to repel most attacks, though it is likely that the personal enmity between him and Snape as well as the stressful events in his life that year hindered his ability; Harry's climbing interests in Voldemort's repeated attempts at the [[Hall of Prophecy]] made him further neglect his practise of the skill. He eventually gave up attempting to learn. Harry later managed to block his connection to [[Tom Riddle|Voldemort]], on occasion, by focusing on feelings of [[love]] and grief, rather than by using Occlumency.
+
In the [[1995–1996 school year|1995-1996 school year]], Albus Dumbledore had [[Severus Snape]] teach [[Harry Potter]] Occlumency in an effort to prevent his mind from being penetrated and influenced by [[Tom Riddle|Lord Voldemort]]. Snape was a highly skilled Occlumens, being able to successfully deceive extremely accomplished [[Legilimency|Legilimens]] Voldemort, but his lessons with Harry were ultimately unsuccessful. Harry was not able to repel most attacks, though it is likely that the personal enmity between him and Snape as well as the stressful events in his life that year hindered his ability; while Snape was not teaching in an encouraging way, Harry's climbing interests in Voldemort's repeated attempts at the [[Hall of Prophecy]] made him further neglect his practise of the skill. He eventually gave up attempting to learn. Harry later managed to block his connection to [[Tom Riddle|Voldemort]], on occasion, by focusing on feelings of [[love]] and grief, rather than by using Occlumency.
   
 
Snape himself also employed Occlumency to hide his loyalty to the [[Order of the Phoenix]] from Voldemort, and due to his well-known mastery, both sides had difficulty trusting him.<ref name="OTP" />
 
Snape himself also employed Occlumency to hide his loyalty to the [[Order of the Phoenix]] from Voldemort, and due to his well-known mastery, both sides had difficulty trusting him.<ref name="OTP" />
   
  +
[[Albus Dumbledore]] was also an exceptional Occlumens, having been one of the few to be capable of repelling Voldemort's Legilimency and he also expressed confidence in his ability to teach Harry the art but chose not to due to fearing Voldemort's reaction to how close they were.
After the [[Battle of the Department of Mysteries]], Voldemort realised the dangers of his connection with Harry, and employed Occlumency to seal off the link, thus preventing Harry from feeling any pain from his [[Harry Potter's scars#The lightning-bolt scar|lightning-bolt scar]]. However, by [[1997]] to [[1998]], Voldemort started losing control due to repeated failures of his Death Eaters infuriating him more and more, and the report of the loss of his [[Horcrux]]es became a tipping point where he forgot to close his mind, allowing the thoughts to be seen by Harry as he mentally organised his Horcrux hiding locations.
 
   
 
After the [[Battle of the Department of Mysteries]], Voldemort realised the dangers of his connection with Harry, and employed Occlumency to seal off the link, thus freeing Harry from feeling any pain from his [[Harry Potter's scars#The lightning-bolt scar|lightning-bolt scar]] and also dreams of what Voldemort was doing. However, by [[1997]] to [[1998]], Voldemort started losing control due to repeated failures of his Death Eaters infuriating him more and more, and the report of the loss of his [[Horcrux]]es became a tipping point where he forgot to close his mind, allowing the thoughts to be seen by Harry as he mentally organised his Horcrux hiding locations.
In 1996, [[Bellatrix Lestrange]] trained her nephew, [[Draco Malfoy]] in Occlumency so that he could keep his mission to kill [[Albus Dumbledore]] a secret. Draco became skilled enough to repel Snape's attempts at Legilimency.<ref name="HBP">{{HBP}}</ref> Draco's success was due to him shutting out his compassion to become the bully he is, making it easy for him to close his mind.<ref name="JKR">[http://www.accio-quote.org/articles/2005/0705-tlc_mugglenet-anelli-2.htm "The Leaky Cauldron and MuggleNet interview Joanne Kathleen Rowling: Part Two," The Leaky Cauldron, 16 July 2005]</ref>
 
  +
 
In 1996, [[Bellatrix Lestrange]] trained her nephew, [[Draco Malfoy]] in Occlumency so that he could keep his mission to kill [[Albus Dumbledore]] a secret. Draco became skilled enough to repel Snape's attempts at Legilimency.<ref name="HBP">{{HBP}}</ref> Draco's success was due to him shutting out his compassion to become the bully he is, making it easy for him to close his mind.<ref name="JKR">[http://www.accio-quote.org/articles/2005/0705-tlc_mugglenet-anelli-2.htm "The Leaky Cauldron and MuggleNet interview Joanne Kathleen Rowling: Part Two," The Leaky Cauldron, 16 July 2005]</ref> Despite this, Dumbledore did not confront Draco earlier regarding the assassination attempts due to fearing Voldemort would use Legilimency on Draco to discover it, suggesting that Voldemort's Legilimency is able to overpower Draco's Occlumency.
   
 
[[Horace Slughorn]] was noted for his skills in Occlumency, more accomplished than [[Morfin Gaunt]], and he would be able to resist the likes of Dumbledore, hence a reason Dumbledore refused to use force or coercion to wrest a memory out of Slughorn. His mastery would also allow him to resist the effects of Veritaserum, though he would nevertheless carry an [[Antidote to Veritaserum|antidote]], which for all accounts, makes it redundant.
 
[[Horace Slughorn]] was noted for his skills in Occlumency, more accomplished than [[Morfin Gaunt]], and he would be able to resist the likes of Dumbledore, hence a reason Dumbledore refused to use force or coercion to wrest a memory out of Slughorn. His mastery would also allow him to resist the effects of Veritaserum, though he would nevertheless carry an [[Antidote to Veritaserum|antidote]], which for all accounts, makes it redundant.
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<gallery>
 
<gallery>
 
Guide to Advanced Occlumency.jpg|''[[Guide to Advanced Occlumency]]'' by [[Maxwell Barnett]]
 
Guide to Advanced Occlumency.jpg|''[[Guide to Advanced Occlumency]]'' by [[Maxwell Barnett]]
  +
Protection_charm_your_mind_a_practical_guie.png|''[[Protection Charm Your Mind: A Practical Guide to Counter Legilimensy]]'' by [[Franciscus Fieldwake]]
 
</gallery>
 
</gallery>
   
 
==Known Occlumens<!-- Please DO NOT add Harry Potter to this list. He failed in his Occlumency lessons with Snape and says outright in Chapter 12 of Deathly Hallows that he "never got the hang of it". Learning a degree of control over the unique connection he had with Voldemort is not the same as Occlumency. -->==
 
==Known Occlumens<!-- Please DO NOT add Harry Potter to this list. He failed in his Occlumency lessons with Snape and says outright in Chapter 12 of Deathly Hallows that he "never got the hang of it". Learning a degree of control over the unique connection he had with Voldemort is not the same as Occlumency. -->==
<gallery orientation="portrait" widths="95" spacing="small" position="center">
+
<gallery widths="105" orientation="portrait" spacing="small" position="center">
PottermoreSorting19-1.png|[[Maxwell Barnett]]<ref name="guide2">See [[:File:Guide to Advanced Occlumency.jpg|this image]].</ref>
 
 
Barty jr cropped.jpg|[[Bartemius Crouch Junior|Barty Crouch Jr]]<ref>[http://www.jkrowling.com/textonly/en/faq_view.cfm?id=105 F.A.Q: Veritaserum] at {{JKRS}}</ref>
 
Barty jr cropped.jpg|[[Bartemius Crouch Junior|Barty Crouch Jr]]<ref>[http://www.jkrowling.com/textonly/en/faq_view.cfm?id=105 F.A.Q: Veritaserum] at {{JKRS}}</ref>
 
600full-Albus-Dumbledore-the-prisoner-of-azkaban-photo.jpg|[[Albus Dumbledore]]<ref name="OTP" />
 
600full-Albus-Dumbledore-the-prisoner-of-azkaban-photo.jpg|[[Albus Dumbledore]]<ref name="OTP" />
 
GellertGrindelwaldHarryPotterPagetoScreen.JPG|[[Gellert Grindelwald]]<ref>https://twitter.com/jk_rowling/status/809361237054201856</ref>
 
GellertGrindelwaldHarryPotterPagetoScreen.JPG|[[Gellert Grindelwald]]<ref>https://twitter.com/jk_rowling/status/809361237054201856</ref>
BellatrixLestrange.png|[[Bellatrix Lestrange]]<nowiki>]</nowiki><ref name="HBP" />
+
BellatrixLestrange.png|[[Bellatrix Lestrange]]<nowiki></nowiki><ref name="HBP" />
 
Draco-Malfoy-promo-draco-and-slytherin-22383941-1920-2560.jpg|[[Draco Malfoy]]<ref name="HBP" />
 
Draco-Malfoy-promo-draco-and-slytherin-22383941-1920-2560.jpg|[[Draco Malfoy]]<ref name="HBP" />
 
Horace Slughorn.jpg|[[Horace Slughorn]]<ref name="HBP" />
 
Horace Slughorn.jpg|[[Horace Slughorn]]<ref name="HBP" />
 
Severus Snape.jpg|[[Severus Snape]]<ref name="OTP" />
 
Severus Snape.jpg|[[Severus Snape]]<ref name="OTP" />
 
Tomdh.jpg|[[Tom Riddle|Lord Voldemort]]<ref name="OTP" />
 
Tomdh.jpg|[[Tom Riddle|Lord Voldemort]]<ref name="OTP" />
  +
Patricia Rakepick - Hogwarts Mystery.png|[[Patricia Rakepick]]
 
</gallery>
 
</gallery>
 
*[[Maxwell Barnett]]<ref name="guide2">See [[:File:Guide to Advanced Occlumency.jpg|this image]].</ref>
   
 
==Etymology==
 
==Etymology==
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* Occlumency, being a "magical defence of the mind against external penetration" most likely will make the use of the Imperius Curse against an Occlumens either ineffective or at the very least reduce its effectiveness, although this is unconfirmed. Snape did regard the power required to utilise Occlumency effectively as similar to that of resisting the Imperius Curse.
 
* Occlumency, being a "magical defence of the mind against external penetration" most likely will make the use of the Imperius Curse against an Occlumens either ineffective or at the very least reduce its effectiveness, although this is unconfirmed. Snape did regard the power required to utilise Occlumency effectively as similar to that of resisting the Imperius Curse.
 
* Occlumency does not appear to be a generally offered subject of study at [[Hogwarts School of Witchcraft and Wizardry|Hogwarts]] and is probably only taught in private courses to students who show potential for it. Snape described it as an "obscure branch of magic", further suggesting that it is lesser known to the community as a whole.
 
* Occlumency does not appear to be a generally offered subject of study at [[Hogwarts School of Witchcraft and Wizardry|Hogwarts]] and is probably only taught in private courses to students who show potential for it. Snape described it as an "obscure branch of magic", further suggesting that it is lesser known to the community as a whole.
* [[Narcissa Malfoy]] may be an Occlumens, as she lied to [[Tom Riddle|Voldemort]] about [[Harry Potter|Harry]]'s demise without consequences.<ref>{{DH}}</ref> However, [[Tom Riddle|Voldemort]] may not have been using [[Legilimency]] on her at the time, as he might not have believed she would lie to him with her family's lives at stake, a sign of Voldemort's greatest weakness: arrogance.
+
* [[Narcissa Malfoy]] may be an Occlumens, as she lied to [[Tom Riddle|Voldemort]] about [[Harry Potter|Harry]]'s demise without consequences.<ref name="DH36">{{DH|B|36}}</ref> However, [[Tom Riddle|Voldemort]] may not have been using [[Legilimency]] on her at the time, as he might not have believed she would lie to him with her family's lives at stake, a sign of Voldemort's greatest weakness: arrogance.
 
* According to [[Wizards' Ordinary Magic and Basic Aptitude Test|W.O.M.B.A.T.]], it is possible that Occlumency can guard against possession.
 
* According to [[Wizards' Ordinary Magic and Basic Aptitude Test|W.O.M.B.A.T.]], it is possible that Occlumency can guard against possession.
 
* Voldemort employed Occlumency against Harry Potter to try to end the connection but started to lose control during the events of [[1997]] and [[1998]].<ref>http://www.accio-quote.org/articles/2007/0730-bloomsbury-chat.html</ref>
 
* Voldemort employed Occlumency against Harry Potter to try to end the connection but started to lose control during the events of [[1997]] and [[1998]].<ref>http://www.accio-quote.org/articles/2007/0730-bloomsbury-chat.html</ref>
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* [[Remus Lupin]] was able to conceal the fact that [[Sirius Black]] was an unregistered [[Animagus]] from Albus Dumbledore and Severus Snape, both highly skilled Legilimens, throughout his entire tenure teaching at Hogwarts in spite of the latter's intense dislike for him and stated suspicion that he was aiding Sirius Black. Dumbledore only found out because Lupin told him voluntarily, and because Black revealed himself in front of [[Ronald Weasley|Ron Weasley]]. It is unknown if he was using Occlumency to conceal this knowledge or if Snape and Dumbledore just never used Legilimency against him.
 
* [[Remus Lupin]] was able to conceal the fact that [[Sirius Black]] was an unregistered [[Animagus]] from Albus Dumbledore and Severus Snape, both highly skilled Legilimens, throughout his entire tenure teaching at Hogwarts in spite of the latter's intense dislike for him and stated suspicion that he was aiding Sirius Black. Dumbledore only found out because Lupin told him voluntarily, and because Black revealed himself in front of [[Ronald Weasley|Ron Weasley]]. It is unknown if he was using Occlumency to conceal this knowledge or if Snape and Dumbledore just never used Legilimency against him.
 
* The [[Wizengamot]] believed that [[Sirius Black]] might have been an Occlumens, as they believed that even if they give him a fair trial under the influence of [[Veritaserum]], he would still be able to resist it with Occlumency or other tricks.<ref name="JKR" />
 
* The [[Wizengamot]] believed that [[Sirius Black]] might have been an Occlumens, as they believed that even if they give him a fair trial under the influence of [[Veritaserum]], he would still be able to resist it with Occlumency or other tricks.<ref name="JKR" />
  +
* As Dumbledore was not suspicious when Barty Crouch Jr used Occlumency when disguised as [[Alastor Moody]], it's possible that the real Moody was skilled in this field as well. Given Moody's skill as an auror and paranoia, he likely was a skilled occlumens,
  +
*[[Vinda Rosier]] may have been an Occlumens, as Queenie Goldstein could not tell if Vinda was lying to her.
   
 
==Appearances==
 
==Appearances==
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[[et:Oklumentia]]
 
[[et:Oklumentia]]
 
[[pt-br:Oclumência]]
 
[[pt-br:Oclumência]]
  +
[[Category:Branches of Magic]]
+
[[Category:Magical powers]]
 
[[Category:Occlumency]]
 
[[Category:Occlumency]]

Revision as of 19:08, 6 September 2019

Snape OOP trailer

Occlumens and Legilimens Severus Snape attempting to train Harry Potter in Occlumency

"The magical defence of the mind against external penetration. An obscure branch of magic, but a highly useful one."
— A basic description of Occlumency[src]

Occlumency is the act of magically closing one's mind against Legilimency. It is ancient, and has existed since medieval times.[1] It can prevent a Legilimens from accessing one's thoughts and feelings, or influencing them. A person who practises this art is known as an Occlumens.

Methods

"I told you to empty yourself of emotion! ... Fools who wear their hearts proudly on their sleeves, who cannot control their emotions, who wallow in sad memories and allow themselves to be provoked this easily — weak people, in other words — they stand no chance against his powers! He will penetrate your mind with absurd ease, Potter!"
Severus Snape on the difficulty of learning Occlumency[src]
Order-of-the-phoenix-movie-screencaps

Harry Potter's first Occlumency lesson with Snape

The most basic form of Occlumency, judging from Severus Snape's early lessons on the subject to Harry Potter, involves clearing one's mind — making it "blank and empty" — in order to prevent a Legilimens from perceiving one's emotions and thoughts. More advanced Occlumency involves suppressing only the thoughts, emotions, and memories that would contradict whatever it is an Occlumens wishes a Legilimens to believe, producing a "faux" layer of mentality that can totally throw off the perspective of one who uses Legilimency into thinking that the said layer being the legitimate one whilst its bona fide counterpart lies deeper within; hence, it is not obvious that Occlumency is being used even if the person is lying. It requires a great deal of willpower, as with resisting the Imperius Curse, as well as a high degree of mental and emotional discipline. It is also one method of resisting the influence of Veritaserum.[2]

Considered to be an obscure branch of magic despite its usefulness, Occlumency is not part of the normal curriculum taught at Hogwarts School of Witchcraft and Wizardry and appears to be a rare and difficult skill.

Examples

"I am about to attempt to break into your mind. We are going to see how well you resist. I have been told that you have already shown aptitude at resisting the Imperius Curse. . . . You will find that similar powers are needed for this. . . . Brace yourself, now. . . . Legilimens!"
— Snape teaching Harry Potter Occlumency[src]

Gellert Grindelwald was a very accomplished Occlumens, as he was able to conceal his true mind from even natural-born Legilimens Queenie Goldstein, which worked in tandem his acting skills and at the time disguising as Percival Graves. Even in advanced age and long-time imprisonment, Grindelwald remained a powerful practitioner as Voldemort failed to penetrate his mind.

Bartemius Crouch Junior was an accomplished Occlumens, as he managed to hide his true mind from Albus Dumbledore and Severus Snape, both accomplished Legilimens, while disguised as Alastor Moody. Had Barty not been groggy when stunned later that year, he would have the prowess in Occlumency to resist the Veritaserum.

In the 1995-1996 school year, Albus Dumbledore had Severus Snape teach Harry Potter Occlumency in an effort to prevent his mind from being penetrated and influenced by Lord Voldemort. Snape was a highly skilled Occlumens, being able to successfully deceive extremely accomplished Legilimens Voldemort, but his lessons with Harry were ultimately unsuccessful. Harry was not able to repel most attacks, though it is likely that the personal enmity between him and Snape as well as the stressful events in his life that year hindered his ability; while Snape was not teaching in an encouraging way, Harry's climbing interests in Voldemort's repeated attempts at the Hall of Prophecy made him further neglect his practise of the skill. He eventually gave up attempting to learn. Harry later managed to block his connection to Voldemort, on occasion, by focusing on feelings of love and grief, rather than by using Occlumency.

Snape himself also employed Occlumency to hide his loyalty to the Order of the Phoenix from Voldemort, and due to his well-known mastery, both sides had difficulty trusting him.[2]

Albus Dumbledore was also an exceptional Occlumens, having been one of the few to be capable of repelling Voldemort's Legilimency and he also expressed confidence in his ability to teach Harry the art but chose not to due to fearing Voldemort's reaction to how close they were.

After the Battle of the Department of Mysteries, Voldemort realised the dangers of his connection with Harry, and employed Occlumency to seal off the link, thus freeing Harry from feeling any pain from his lightning-bolt scar and also dreams of what Voldemort was doing. However, by 1997 to 1998, Voldemort started losing control due to repeated failures of his Death Eaters infuriating him more and more, and the report of the loss of his Horcruxes became a tipping point where he forgot to close his mind, allowing the thoughts to be seen by Harry as he mentally organised his Horcrux hiding locations.

In 1996, Bellatrix Lestrange trained her nephew, Draco Malfoy in Occlumency so that he could keep his mission to kill Albus Dumbledore a secret. Draco became skilled enough to repel Snape's attempts at Legilimency.[3] Draco's success was due to him shutting out his compassion to become the bully he is, making it easy for him to close his mind.[4] Despite this, Dumbledore did not confront Draco earlier regarding the assassination attempts due to fearing Voldemort would use Legilimency on Draco to discover it, suggesting that Voldemort's Legilimency is able to overpower Draco's Occlumency.

Horace Slughorn was noted for his skills in Occlumency, more accomplished than Morfin Gaunt, and he would be able to resist the likes of Dumbledore, hence a reason Dumbledore refused to use force or coercion to wrest a memory out of Slughorn. His mastery would also allow him to resist the effects of Veritaserum, though he would nevertheless carry an antidote, which for all accounts, makes it redundant.

Known texts

Known Occlumens

Etymology

The word "occlumency" comes from the Latin occludere, meaning "to shut up" and mens, for "mind".

Behind the scenes

  • On the subject of Occlumency, J. K. Rowling has discussed why Draco Malfoy would be skilled at it while Harry Potter was not:
    • "...I think Draco would be very gifted in Occlumency, unlike Harry. Harry’s problem with it was always that his emotions were too near the surface and that he is in some ways too damaged. But he's also very in touch with his feelings about what's happened to him. He's not repressed, he's quite honest about facing them, and he couldn't suppress them, he couldn't suppress these memories. But I thought of Draco as someone who is very capable of compartmentalising his life and his emotions, and always has done. So he's shut down his pity, enabling him to bully effectively. He's shut down compassion — how else would you become a Death Eater? So he suppresses virtually all of the good side of himself."[8]
  • Occlumency, being a "magical defence of the mind against external penetration" most likely will make the use of the Imperius Curse against an Occlumens either ineffective or at the very least reduce its effectiveness, although this is unconfirmed. Snape did regard the power required to utilise Occlumency effectively as similar to that of resisting the Imperius Curse.
  • Occlumency does not appear to be a generally offered subject of study at Hogwarts and is probably only taught in private courses to students who show potential for it. Snape described it as an "obscure branch of magic", further suggesting that it is lesser known to the community as a whole.
  • Narcissa Malfoy may be an Occlumens, as she lied to Voldemort about Harry's demise without consequences.[9] However, Voldemort may not have been using Legilimency on her at the time, as he might not have believed she would lie to him with her family's lives at stake, a sign of Voldemort's greatest weakness: arrogance.
  • According to W.O.M.B.A.T., it is possible that Occlumency can guard against possession.
  • Voldemort employed Occlumency against Harry Potter to try to end the connection but started to lose control during the events of 1997 and 1998.[10]
  • Harry Potter briefly used Occlumency against Voldemort, although he has never been able to master it. Also of note, while Harry's use of Occlumency in the books was negligible, he was nigh-effortlessly able to throw-off the Imperius Curse (both by Bartemius Crouch Junior-as-Alastor Moody, & by Tom Riddle), by willpower-alone.
  • Bellatrix Lestrange was most likely taught Occlumency by Voldemort since she stated in the Battle of the Department of Mysteries that he taught her the dark arts. 
  • Draco was most likely taught Occlumency by Bellatrix Lestrange, a theory made by Severus Snape when he tries, unsuccessfully, to break into Draco's thoughts. 
  • Remus Lupin was able to conceal the fact that Sirius Black was an unregistered Animagus from Albus Dumbledore and Severus Snape, both highly skilled Legilimens, throughout his entire tenure teaching at Hogwarts in spite of the latter's intense dislike for him and stated suspicion that he was aiding Sirius Black. Dumbledore only found out because Lupin told him voluntarily, and because Black revealed himself in front of Ron Weasley. It is unknown if he was using Occlumency to conceal this knowledge or if Snape and Dumbledore just never used Legilimency against him.
  • The Wizengamot believed that Sirius Black might have been an Occlumens, as they believed that even if they give him a fair trial under the influence of Veritaserum, he would still be able to resist it with Occlumency or other tricks.[4]
  • As Dumbledore was not suspicious when Barty Crouch Jr used Occlumency when disguised as Alastor Moody, it's possible that the real Moody was skilled in this field as well. Given Moody's skill as an auror and paranoia, he likely was a skilled occlumens,
  • Vinda Rosier may have been an Occlumens, as Queenie Goldstein could not tell if Vinda was lying to her.

Appearances

Notes and references