Editing Castle Oblivion

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{{Youmay|the World|{{c|Castle Oblivion|track|the field theme}} or [[Card 01: Castle Oblivion|the chapter in the ''Kingdom Hearts Chain of Memories'' manga]]}}

  |romaji=Bōkyaku no Shiro

  |COMnormalname=The 13th Floor

  |COMnormalfile=The 13th Floor KHRECOM.ogg

  |COMnormalname2=Castle Oblivion

  |COMnormalfile2=Castle Oblivion KHRECOM.ogg

  |COMbattlefile=Forgotten Challenge KHRECOM.ogg

  |RECnormalname=Castle Oblivion

  |RECnormalfile=Castle Oblivion KHREC.ogg

  |RECbattlename=Forgotten Challenge

  |RECbattlefile=Forgotten Challenge KHREC.ogg

'''Castle Oblivion''', often abbreviated as "'''C.O.'''" by members of [[Organization XIII]], is a world introduced in ''[[Kingdom Hearts Chain of Memories]]''. It is located within the [[Realm Between]], and a digital copy of the world appears in ''[[Kingdom Hearts coded]]''. It was governed by [[Marluxia]], and consists of thirteen floors and twelve basements. After Marluxia's defeat, the Organization abandoned the castle as they lacked the manpower to keep it operational.

Castle Oblivion was originally the [[Land of Departure]]. Hidden within the castle is the [[Chamber of Waking]], where [[Ventus]] sleeps; no one but [[Aqua]] can locate the Chamber, as she was the one who locked the castle to keep Ventus safe. Castle Oblivion is restored into the Land of Departure following Aqua's rescue from the [[Realm of Darkness]].

Castle Oblivion is a mystical castle found at the end of passage floating in the middle of nowhere. It is located within the [[Realm Between]], surrounded by dark clouds with faint lights piercing through far behind. The castle has an uneven and twisted design with towers pointing in all directions. Some even stick out from underneath the road. The outside is a dark gold with turquoise roofs, while everything on the inside is generally white. The interior is implied to be incredibly vast, to the point one would get lost in it, as was the intention of Aqua; the Organization compensate by using Dark Corridors. Axel has complained that searching the castle is next to impossible, stating it's "like counting grains of dust in a room of sneezing people".

===''Kingdom Hearts Chain of Memories''===

The interior of Castle Oblivion consists of simplistic white marble architecture with infrequent plinths, wall-carving, and sculptures made with a flower motif. It is divided into many '''{{a|White Room}}s'''{{?}}<!--cite the reports--> which are shaped by the memories of those exploring them through the use of [[World card]]s and [[Map card]]s; though this second part may be due to the Organization's experiments with memory.  Between each of the White Rooms is an {{nihongo|'''{{a|Entrance Hall}}'''|入口ホール|Iriguchi Hōru}} and {{nihongo|'''{{a|Exit Hall}}'''|出口ホール|Deguchi Hōru}} for each of the thirteen floors and twelve basements. The Entrance Halls contain "{{a|World Warp}}s" which allow quick travel between the floors. The walls of the hallways have a yellow gradient near the top in the original ''Kingdom Hearts Chain of Memories'' while also having light blue colors contrary to the more pale colors in the remake. The castle also contains a {{nihongo|'''{{a|Pod Room}}'''|ポッドルーム|Poddo Rūmu}}, housing the [[pod]]s within which Sora, Donald, and Goofy were put in hibernation.

Somewhere among the thirteenth floors is a meeting room the Organization uses to discuss plans, as well as monitor the other floors via a crystal ball. This is also where Naminé is kept prisoner. The basement also has a meeting room which is dimly lit, almost appearing to be blue in color, and usually where Zexion can be found.<!--Zexion is always the first to show up here, so it stands to reason this is where he "observes" scents of darkness--> Vexen also has an unseen laboratory where he works on the [[replica]] project.

Battles against most Organization members in ''Kingdom Hearts Re:Chain of Memories'' and the [[Riku Replica]] transport Sora and Riku to an arena within some sort of pocket dimension called {{nihongo|'''{{a|Station of Remembrance}}'''|追憶の園}}. The arena consists of a circular, grey, and decorated floor, hanging in the air, with four pillars surrounding the platform. In ''Kingdom Hearts Chain of Memories'', the members are fought within the hallways instead. Marluxia's second form is also fought in sort of pocket dimension - accessed from the thirteenth floor - called {{nihongo|'''{{a|Station of Oblivion}}'''|忘却の園}}. The arena is similar to the Station of Remembrance, though it's a lot bigger and the room is a lot brighter. His Radiance of Darkness technique allows him to temporarily turn the skies dark and starry. In ''Kingdom Hearts Chain of Memories'', the final battle against Marluxia takes place in a starry sky-like void instead. In the remakes, the third and final Marluxia battle takes place in a dark and blue sky void as well, and on top of what appears to be the remains of the specter from the previous fight turned giant.

 

===''Kingdom Hearts II''===

In ''Kingdom Hearts II Final Mix'' Castle Oblivion's {{nihongo|'''{{a|Station of Remembrance}}'''|追憶の園}} serves as a boss arena for both of [[Lexaeus]] and [[Larxene]]'s [[Absent Silhouette]] and [[Replica Data]] battles. The {{nihongo|'''{{a|Station of Oblivion}}'''|忘却の園}} also makes a return for [[Marluxia]]'s Absent Sillhouette and Replica Data fights.

 

[[File:An Unexpected Bond 01 KHREC.png|thumb|left|200px|The Station of Sorrow where Data-Roxas is fought.]]

In ''Kingdom Hearts Re:coded'', Castle Oblivion appears as a data recreation within the [[Datascape]]. Data-Sora arrives at the castle's {{nihongo|'''{{a|Entrance Hall}}'''|入り口ホール}}, where Data-Roxas will allow access to five separate white chambers modified to match the basic layouts of {{nihongo|'''{{a|Destiny Islands}}'''|デスティニーアイランド}}, {{nihongo|'''{{a|Traverse Town}}'''|トラヴァースタウン}}, {{nihongo|'''{{a|Wonderland}}'''|ワンダーランド}}, {{nihongo|'''{{a|Olympus Coliseum}}'''|オリンポスコロシアム}}, {{nihongo|'''{{a|Agrabah}}'''|アグラバー}} and {{nihongo|'''{{a|Hollow Bastion}}'''|ホロウバスティオン}}. Images from each world appear in poster-esque fashion across the walls.

Data-Sora battles Data-Roxas in the {{nihongo|'''{{a|Station of Sorrow}}'''|悲しみの園|Kanashimi no En}}, which is identical to the Station of Remembrance, though it doesn't float in the air and is instead stationed on top of a large pillar, reminiscent of the Stations of [[Dive to the Heart]].

The {{nihongo|'''{{a|Pod Room}}'''|ポッドルーム}} is also visited in cutscene.

!Area Map in ''Kingdom Hearts Re:coded''

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[[File:Minimap (Castle Oblivion) KHREC.png|500px]]

===''Kingdom Hearts Birth by Sleep''===

In ''Kingdom Hearts Birth by Sleep'', the [[Land of Departure]] is shown to be transformed into Castle Oblivion. The world appears only in cutscene, but a new room can be seen, {{nihongo|'''{{a|Room of Awakening}}'''|目覚めの部屋}} - better known as [[Chamber of Waking]] - where Ventus is left to rest. The outside of {{nihongo|'''{{a|Castle Oblivion}}'''|忘却の城}} is also briefly shown as Aqua leaves.

== Story ==

Castle Oblivion was originally the [[Land of Departure]]. After the events at the [[Keyblade Graveyard]], [[Aqua]] brought a comatose [[Ventus]] to the Land of Departure, which had been destroyed in a storm of [[darkness]] by [[Master Xehanort]]. In order to keep Ventus safe, Aqua follows [[Eraqus]]'s prior instructions to seal the world's [[Keyhole]] with his [[Keyblade]] and recreate it as a labyrinth that only she could navigate, using a means devised by prior guardians. She leaves Ventus in the castle's newly-formed [[Chamber of Waking]] and promises to bring [[Terra]] back with her before waking him up. As Aqua leaves to search for Terra, she looks back on her transformed home.

 

===Between ''Kingdom Hearts Birth by Sleep'' and ''Kingdom Hearts Chain of Memories''===

The castle is eventually discovered by [[Xemnas]] of Organization XIII, who decides to convert it into a second headquarters for the Organization. It is intended to be a place to research memories, an important topic to the [[Nobody|Nobodies]] of the Organization, who have only their memories with which to form personalities. Xemnas sends [[Xigbar]] and [[Xaldin]] to recruit more members for the Organization, as they need a large group in order to run the castle. Despite rumors among the Organization that Xemnas intends to locate the Chamber of Waking, to complement the [[Chamber of Repose]] built under [[Hollow Bastion]], they never do.<ref>'''''Kingdom Hearts II Final Mix'', Xigbar:''' "But did you know there's something he DIDN'T share? The Chamber of Repose is part of a pair. The Chamber of Waking is the other. Another graveyard, if you want to call it that. It was constructed by someone other than Xemnas himself. And that's where he'll find it. That's where he'll find his other "friend.""</ref>

 

 

===''Kingdom Hearts Chain of Memories''===

After defeating [[Ansem, Seeker of Darkness]], and restoring the damaged worlds, [[Sora]], [[Donald Duck]], and [[Goofy]] find themselves in a grassy field with [[King Mickey]]'s dog, [[Pluto]]. They follow Pluto along the path to Castle Oblivion, and as soon as they enter the castle, they forget all of their skills and are forced to rely upon the castle's memory-based card system. Although Marluxia and Larxene tell them their memory loss is simply the nature of the castle, it is revealed that the mysterious girl Naminé is actually the one reshaping Sora's memories, so that Marluxia can use Sora as a puppet against Xemnas. The scheme fails thanks to the meddling of Axel (who was actually on orders from Xemnas and [[Saïx]] to rid the Organization of traitors), who frees Naminé, and Marluxia and Larxene are destroyed at Sora's hand. Sora then uses one of Xemnas's pods so that Naminé can restore his memories, and is eventually moved to [[Twilight Town]].

Meanwhile, Sora's friend [[Riku]] awakens from the darkness within the lowest basement of Castle Oblivion, where he faces the remaining darkness of "Ansem". Though he initially sets out to destroy the indelible darkness in his [[heart]], with the help of [[Ansem the Wise|DiZ]], Naminé, and King Mickey, he is able to eventually embrace both the [[light]] and the dark, achieving balance. The three basement members, Vexen, Lexaeus, and Zexion seek to recruit Riku in order to counter Marluxia's use of Sora, but Riku denies their requests and vanquishes them. Riku eventually defeats the Ansem in his heart, and decides not to have Naminé seal it away completely; instead, he sets out on the "road to dawn" in order to help while Sora is sleeping.

 

 

 

 

During conversations between Axel and Saïx, Saïx asks Axel if he has found the Chamber of Waking, which Axel denies. Axel is sent various times by Xemnas to find the room, showing Xemnas's extreme determination to find the Chamber of Waking, yet he never succeeds, due to Aqua's previous actions.

===''Kingdom Hearts II''===

Roxas briefly sees the outside of Castle Oblivion in his final dreams, coinciding with Sora regaining the corresponding memories.

After defeating [[Sora's Heartless]] and returning to the data worlds, [[Data-Sora]] enters a data version of Castle Oblivion. He has meetings with the mysterious cloaked man, as well as various figures from Sora's memories. As the real Sora did, Data-Sora uses World Cards to traverse the castle. One notable feature of this incarnation of Castle Oblivion is that the White Rooms do not change form completely; the design remains like the rest of the castle, although the shape of the room differs. Pictures of areas from the worlds are displayed on the walls. Near the end of the story, he meets [[Data-Naminé]], who explains the reason for his existence.

===''Kingdom Hearts 3D: Dream Drop Distance''===

Ventus continues to sleep within the Chamber of Waking, following the end of Sora and Riku's [[Mark of Mastery exam]]. Upon Sora's return to [[Traverse Town]], he smiles from Sora's happiness.

===''Kingdom Hearts III''===

After being brought back to the Realm of Light by Sora, Aqua immediately sets off to find Castle Oblivion in order to free Ventus. Accompanied by Sora, Donald, and Goofy, Aqua uses the [[Master's Defender]] Keyblade to unlock Castle Oblivion's Keyhole, which reverts it back to the Land of Departure.

File:Naminé KHRECOM.png|[[Naminé]]<br>{{KHCoM}}

File:Riku (Dark Mode) KH.png|[[Riku Replica]]<br>{{KHCoM}}

File:DiZ KHII.png|[[Ansem the Wise|DiZ]]<br>{{KHCoM}}

File:Vexen KHCOM.png|[[Vexen]]<br>{{KHCoM}}

File:Lexaeus KHCOM.png|[[Lexaeus]]<br>{{KHCoM}}

File:Zexion KHCOM.png|[[Zexion]]<br>{{KHCoM}}

File:Axel KHHD.png|[[Axel]]<br>{{KHCoM}}{{KHD}}

File:Marluxia KHCOM.png|[[Marluxia]]<br>{{KHCoM}}

File:Larxene KHCOM.png|[[Larxene]]<br>{{KHCoM}}

File:Xion KHHD.png|[[Xion]]<br>{{KHD}}

File:Saïx KHD.png|[[Saïx]]<br>{{KHD}}

File:Data-Roxas KHREC.png|[[Data-Roxas]]<br>{{KHc}}

File:Data-Naminé KHREC.png|[[Data-Naminé]]<br>{{KHc}}

File:Ventus KHBBS.png|[[Ventus]]<br>{{KHBbS}} {{KH3D}}

File:Shadow KHII.png|[[Shadow]]<br>{{KHCoM}}{{KHc}}

File:Red Nocturne KH.png|[[Red Nocturne]]<br>{{KHCoM}}{{KHc}}

File:Blue Rhapsody KH.png |[[Blue Rhapsody]]<br>{{KHCoM}}

File:Yellow Opera KH.png|[[Yellow Opera]]<br>{{KHCoM}}

File:Green Requiem KH.png|[[Green Requiem]]<br>{{KHCoM}}

File:Darkball KH.png|[[Darkball]]<br>{{KHCoM}}

File:Wyvern KH.png|[[Wyvern]]<br>{{KHCoM}}

File:Defender KH.png|[[Defender]]<br>{{KHCoM}}{{KHc}}

File:Wizard KH.png|[[Wizard]]<br>{{KHCoM}}{{KHc}}

File:Neoshadow KHII.png|[[Neoshadow]]<br>{{KHCoM}}

File:White Mushroom KH.png|[[White Mushroom]]<br>{{KHCoM}}

File:Ansem (First Form) KH3D.png|'''[[Game:Ansem, Seeker of Darkness|Ansem, Seeker of Darkness]]'''<br>{{KHCoM}}

File:Riku (Dark Mode) KH.png|'''[[Game:Riku Replica|Riku Replica]]'''<br>{{KHCoM}}

File:Vexen KHCOM.png|'''[[Game:Vexen|Vexen]]'''<br>{{KHCoM}}

File:Lexaeus KHCOM.png|'''[[Game:Lexaeus|Lexaeus]]'''<br>{{KHCoM}}

File:Axel KHCOM.png|'''[[Game:Axel|Axel]]'''<br>{{KHCoM}}

File:Marluxia KHCOM.png|'''[[Game:Marluxia|Marluxia]]'''<br>{{KHCoM}}

File:Marluxia (Second Form) KHUX.png|'''[[Marluxia (Second Form)]]'''<br>{{KHCoM}}

File:Marluxia (Third Form) KHRECOM.png|'''[[Marluxia (Third Form)]]'''<br>{{KHCoM}}

===Other===

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File:Tidus 02 KHREC.png|'''[[Game:Tidus, Selphie, and Wakka|Tidus]]'''<br>{{KHc}}

File:Pete 02 KHREC.png|'''[[Game:Pete|Pete]]'''<br>{{KHc}}

*The need for the card system in Castle Oblivion is unknown. Although Marluxia claims that they are simply part of the castle, he also claims that the trademark memory loss was due to the castle's influence as well, when in actuality it was Naminé's doing.

*In the manga, the monitors through which the Organization watches Sora are "Nomura-brand", a reference to [[Tetsuya Nomura]], the director of the ''{{c|Kingdom Hearts|series}}'' series.

*The Castle Oblivion logo depicts stairways that resemble those of M.C. Escher's ''{{w|Relativity (M. C. Escher)|Relativity}}''.

*The sequence when Aqua transforms Castle Oblivion back into the Land of Departure uses a technique called ''{{w|Projection mapping|Projection Mapping}}''. This technique is used on the castles of many Disney Parks for their nighttime shows.

==Notes and references==

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[[Category:Realm Between]]

[[Category:Datascape]]