"It is a room that a person can only enter when they have real need of it. Sometimes it is there, and sometimes it is not, but when it appears, it is always equipped for the seeker's needs"
Dobby explaining to Harry Potter the abilities of the Room of Requirement[src]

The Room of Requirement, also known as the Come and Go Room,[2] was a secret room within Hogwarts Castle, that only appears when a person is in great need of it.[2]

The room is thought to have some degree of sentience, because it transforms itself into whatever the witch or wizard needs it to be at that moment in time,[3] although there are some limitations. For example, it cannot create food, as that is one of the five Principal Exceptions to Gamp's Law of Elemental Transfiguration.[4] It is believed that the room is Unplottable, as it does not appear on the Marauder's Map,[5] nor do its occupants, although this could simply be because James Potter, Remus Lupin, Sirius Black, and Peter Pettigrew never found the room.

Location

"It's a proper hideout, as long as one of us stays in here, they can't get at us, the door won't open. It's all down to Neville. He really gets this room. You've got to ask it for exactly what you need — like, "I don't want any Carrow supporters to be able to get in — and it'll do it for you! You've just got to make sure you close the loopholes! Neville's the man!"
—Seamus explaining the Room of Requirement[src]

Hall of Hexes

The room is located on the seventh floor in the left corridor of the Hogwarts castle and has a hidden entrance opposite the tapestry depicting the attempt of Barnabas the Barmy to teach trolls ballet.[1] The way to open the room is to walk past it three times thinking about what you need, and the door will appear.[2]

It is advised that the users of this room be very specific about what they are looking for, as it has been shown that other people can enter the room and see what the occupant is doing if they know how the room is being used. The Inquisitorial Squad found the hideout of the D.A. in 1996 by knowing that the D.A. was in the room at the time. Neville Longbottom used this knowledge to create his hideout, as he specifically asked that the hideout be made unavailable to those who supported Alecto and Amycus Carrow.[6]

History of use

Dumbledore's mention

The first mention Harry Potter heard of this room was in 1994, when Albus Dumbledore told Igor Karkaroff of his discovery of a room full of chamber pots when he needed to go to the toilet. However, he was unable to find the room again later like many of those who stumble across the room.[7]

Dumbledore's Army

Dobby: "Dobby knows the perfect place, sir! Dobby heard tell of it from the other house-elves when he came to Hogwarts, sir. It is known by us as the Come and Go Room, sir, or else as the Room of Requirement!"
Harry Potter: "Why?"
Dobby: "Because it is a room that a person can only enter when they have real need of it. Sometimes it is there, and sometimes it is not, but when it appears, it is always equipped for the seeker's needs."
— Dobby telling Harry Potter about the Room of Requirement[src]

The Room of Requirement providing the D.A. with something to practise spells on

In 1995, Harry Potter asked Dobby if he knew of a place where Dumbledore's Army could safely meet. Dobby told Harry of what the house-elves called the "Come and Go Room" or "Room of Requirement", which he had used to treat Winky after she had gotten drunk on Butterbeer, as the room filled with antidotes to butterbeer and an elf-sized bed for Winky to sleep off her inebriation. He also said that Argus Filch had found extra cleaning supplies in the room. During the first D.A. meeting, Fred and George Weasley revealed that it had once taken the form of a broom cupboard which they had used to hide from Filch.[2] Previously Dumbledore had also mentioned the Room of Requirement to Harry.[7]

Harry instructs the D.A. members on the Disarming Charm

Dumbledore's Army used the room as their headquarters and practice area. Among the items provided by the room for the D.A. were Dark Detectors and shelves of helpful books such as A Compendium of Common Curses and Their Counter-Actions, The Dark Arts Outsmarted, Self-Defensive Spellwork, and Jinxes for the Jinxed.[2] Around Christmas, which was the last meeting before the break, Harry was cornered by Cho Chang under some mistletoe and the two shared a kiss. They were eventually discovered by the Inquisitorial Squad; due to the Squad wanting evidence, the Room provided the meeting room and the list of members.[8]

Second Wizarding War

Main article: Second Wizarding War

The Room of Requirement as a hideout for Hogwarts students in 1998

During the 1997-1998 school year, Neville Longbottom and several other students used the room as a hideout to escape the wrath of the new Death Eater professors, the Carrows. The problem was the lack of food, as it was one of the exceptions to Gamp's Law of Elemental Transfiguration. So the hideout adapted by adding an eighth passage into Hogsmeade, connected to the Hog's Head pub, whose owner, Aberforth, provided food. Also, this advantage allowed members of the Order of the Phoenix to enter the school to help fight off Lord Voldemort's attack, without setting off the Caterwauling Charm on the village.[6]

Room of Hidden Things

History

"I virtually lived in the Room of Hidden Things all last year, I know how to get in."
Draco Malfoy to Harry Potter regarding the room of hidden things[src]

After Tom Riddle resurfaced as Lord Voldemort and had his second request of becoming Hogwarts' Defence Against the Dark Arts teacher denied by Dumbledore, Voldemort managed to sneak Rowena Ravenclaw's Diadem into the room, as a means to hide one of his Horcruxes. Unlike the others, he did not have time to set up many powerful spells to protect it due to time constraints, but believed that he was the only one who knows of the room's existence, and that nobody would look for it.[9]

In his sixth year, Draco Malfoy spent the majority of his days within this room, fixing the Vanishing Cabinet that he moved from the school's hallway, in order to smuggle Death Eaters in and help him assassinate Dumbledore.[10] The repair took most of the year, as Draco spent much time inside the room, and had his friends Vincent Crabbe and Gregory Goyle remain outside in disguise to drop something onto the ground should anyone approach, to warn Draco not to come out.[5]

Harry using the Room of Hidden Things to hide the Half-Blood Prince's copy of Advanced Potion-Making

Harry used the room in his sixth year to hide the Half-Blood Prince's copy of Advanced Potion Making. He found that many other students had used the room to hide a multitude of other objects, including the Vanishing Cabinet. Inside the cabinet in which he hid the book, Harry found a cage that contained the skeleton of something that had five legs.[11]

Also in Harry's sixth year, Professor Trelawney attempted to use the room to hide her sherry bottles, but Draco Malfoy threw her out.[12] Draco was using the room to repair the Vanishing Cabinet so he could smuggle Death Eaters into the castle via a matching Vanishing Cabinet in Borgin and Burkes. They did in fact use the room to infiltrate the castle in 1997.[10]

The Room of Hidden Things became inaccessible whenever the Room of Requirement was used for another purpose. As a result, during the Battle of Hogwarts, when the room was being used to provide passage to Hogsmeade and as a sanctuary, it had to be vacated of all people and "reset" before the Room of Hidden Things could once again be accessed.[6]

Protection

The Room of Requirement in 1998

The Room of Hidden Things may have had a special protection that prevented a Summoning Charm being used in it, meaning students had to physically find what it was they were looking for. This was the case when Hermione attempted to summon Rowena Ravenclaw's Diadem, but failed, although this may be because the diadem was a Horcrux. She, Ron and Harry had to go searching for it instead.[9] However, this protection may have been placed by Voldemort specifically for the diadem, as he took similar precautions for his locket Horcrux. Tom Riddle believed that he, and only he, was the only person that ever discovered the deepest secret in Hogwarts. He never expected Harry to discover this chamber. Additionally, even House-Elves cannot Apparate into the room, meaning they have to know what to ask the room to become into in order to access it.[2]

While Harry discovered Draco is using this chamber to progress his plan, he could not make the room appear for him to see what the young Death Eater was up to, no matter what variation of thinking he used, thus giving Draco the privacy he requested.[5]

Skirmish in the Room of Requirement

The Fiendfyre destroying much of the contents of the Room of Requirement

Later that same year, during the Battle of Hogwarts, it was used as an evacuation route to move the students away from the dangers that followed. Later, Harry realised that Rowena Ravenclaw's Diadem, one of Voldemort's Horcruxes, was hidden in the Room of Requirement, as he has seen it in his sixth year while hiding his Potions book and had even picked it up without realising what it was.[9]

As noted above, as long as the room was being used to maintain the passage to Hogwarts, the Room of Hidden Things couldn't be accessed. Harry, Hermione, and Ron cleared the room and accessed the Room of Hidden Things, where they were ambushed by Draco Malfoy, Vincent Crabbe and Gregory Goyle. Crabbe let loose cursed fire that destroyed the Horcrux and many other objects, killing himself in the process. The entire room was turned into a sea of flames, and Ron wondered if the Room of Hidden Things could be accessed again due to the possibility of it being destroyed.[9]

Items hidden inside

Harry Potter saw many things that other students had hidden in the room, including:

Some of the items Harry has seen in the Room of Hidden Things

Some more items seen in the Room of Hidden Things

Behind the scenes

The Room of Requirement as a LEGO Harry Potter set

The Room of Hidden Things in LEGO Harry Potter: Years 5-7

Appearances

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The Harry Potter Wiki has 105 images related to Room of Requirement.

Notes and references

  1. 1.0 1.1 Harry Potter and the Order of the Phoenix, Chapter 18 (Dumbledore's Army) - "“Good,” said Harry quietly, when she told him, “because we’ve found somewhere to have our first Defence meeting. Tonight, eight o’clock, seventh floor opposite that tapestry of Barnabas the Barmy being clubbed by those trolls."
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 Harry Potter and the Order of the Phoenix, Chapter 18 (Dumbledore's Army)
  3. 3.0 3.1 Harry Potter and the Order of the Phoenix, Chapter 28 (Snape's Worst Memory)
  4. Harry Potter and the Deathly Hallows, Chapter 15 (The Goblin's Revenge)
  5. 5.0 5.1 5.2 Harry Potter and the Half-Blood Prince, Chapter 21 (The Unknowable Room)
  6. 6.0 6.1 6.2 Harry Potter and the Deathly Hallows, Chapter 29 (The Lost Diadem)
  7. 7.0 7.1 Harry Potter and the Goblet of Fire, Chapter 23 (The Yule Ball)
  8. Harry Potter and the Order of the Phoenix, Chapter 27 (The Centaur and the Sneak)
  9. 9.0 9.1 9.2 9.3 9.4 Harry Potter and the Deathly Hallows, Chapter 31 (The Battle of Hogwarts)
  10. 10.0 10.1 10.2 Harry Potter and the Half-Blood Prince, Chapter 27 (The Lightning-Struck Tower)
  11. 11.00 11.01 11.02 11.03 11.04 11.05 11.06 11.07 11.08 11.09 11.10 11.11 11.12 11.13 11.14 11.15 11.16 11.17 11.18 11.19 11.20 11.21 11.22 11.23 Harry Potter and the Half-Blood Prince, Chapter 24 (Sectumsempra)
  12. Harry Potter and the Half-Blood Prince, Chapter 25 (The Seer Overheard)
  13. 13.0 13.1 Harry Potter and the Deathly Hallows: Part 2 (video game)
  14. Half-Blood Prince script on the Internet Movie Script Database (archived here)


Hogwarts Castle
Locations on the seventh floor

Attic · Bean Challenge rooms · Classroom 7A · Classroom 7B · Classroom 7C · Dark Tower topmost cell · Disused bathroom · Divination Classroom · Fat Lady's Corridor · Filius Flitwick's office · Grumpy Staircase · Gryffindor Tower reading room · Gryffindor girls' staircase · Gryffindor Boys' Dormitory · Hall of Hexes · Knights' Room · North Wing · Porticus Olidus · Pungent Passage · Room of Requirement · Runic Corridor · Seventh Floor Corridor · Sybill Trelawney's office · Divination corridor · Staircase to the seventh-floor corridor

Portraits, statues and other artwork located on the seventh floor

A Young Professor McGonagall · Barnabas the Barmy · Bridget Wenlock · Sir Cadogan · Caged monkey · Edward Rabnott · Elephant · Elizabeth Burke · Fat Lady · Flowering almond trees · George von Rheticus · Giraffe · Godric Gryffindor · Healers · Hippopotamus · Journeying wizards · Lachlan the Lanky · Mother and baby · Oraclitus Spheer · Staring Portrait · Three young ladies · Tiger · Two lovers in a graveyard · Valeria Myriadd · Wailing Egyptians · Witch flying to the moon · Wizard in black flowing robes · Wizard in blue · Wizard with a broomstick · Wolfhound

de2:Raum der Wünsche

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