Realm of Darkness

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*Reorganize story and areas listings to match other world articles; confirm that the scene with ice cream after Maleficent is not the Realm Between; add room coverage from KHX (A room in the Dark Corridor Trials (闇の回廊トライアル Yami no Kairō Toraiaru?), every one is simply called Trial Area (トライアルエリア Toraiaru Eria?), in the game files the world is internally known as Dungeon (ダンジョン Danjon?).)
Realm of Darkness

Realm of Darkness Profil.png
Dark World Logo KHAFP.png
Kana 闇の世界

Romaji Yami no Sekai
Games Kingdom Hearts
Kingdom Hearts: Chain of Memories
Kingdom Hearts II
Kingdom Hearts 358/2 Days
Kingdom Hearts Birth by Sleep
Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage-

The Realm of Darkness (闇の世界 Yami no Sekai?), also translated literally as Dark World in its playable incarnation in Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage-, is a realm made up of darkness in people in every world. Time has no meaning there, allowing someone trapped to never age or need food and sleep. Secret Ansem Report 5 When a world from the Realm of Light falls to darkness, what remains of it ends up here, connected to other worlds that fell. As with the Realm of Light, this realm has a Keyblade, Kingdom Key D, which chose King Mickey as its wielder. It is where Ansem, Seeker of Darkness formed the Kingdom Hearts of Worlds' Hearts, and is the home of all Heartless.

Settings and Areas[edit]

After defeating Terra-Xehanort, Aqua awakes within an immense, eerie cavern known simply as the Realm of Darkness (闇の世界 Yami no Sekai?). Starting at the cavern's Middle Zone (中層 Chūsō?), she ventures through the Lower Zone (下層 Kasō?) and Upper Zone (上層 Jōsō?) before finally finding a way out. These caves are infested with Heartless and strange rock formations, as well as geysers and barriers formed from pure darkness. Just outside of this cavern is the Valley of the Dark (闇の狭間 Yami no Hazama?), a twisted and decaying forest drenched in darkness.

Minimap (Realm of Darkness) KHBBS.png

Past the valley is the Dark Cinderella Castle (闇シンデレラ城 Yami Shinderera-jō?), which is all that remains of Castle of Dreams after that world was swallowed by the darkness. Beyond that is the remains of the seven Dwarfs' cottage from Dwarf Woodlands, and a mirror leading to the World Within (鏡の中世界 Kagami no Naka no Sekai?, lit. "the World Within the Mirror") the Magic Mirror, which resembles both the realm of the Spirit of the Magic Mirror and the Queen's dungeon. Past the mirror is the Forest of Thorns (茨の森 Ibara no Mori?), a corruption of the dark forest of Enchanted Dominion.

The Dark Margin.

At the furthest reaches of the Realm of Darkness, on the border between it and the Realm Between, is a moonlit shoreline called the Dark Margin (闇の海岸 Yami no Kaigan?). Like the caverns, this beach is littered with strange, almost organic rock formations.


Kingdom Hearts Birth by Sleep[edit]

Aqua fighting Heartless in the Realm of Darkness.

While wandering lost through the Realm of Darkness, Aqua is confronted by a Darkside. She prepares to fight it, but three more Darksides join the fight and she loses hope. However, she is rescued by the Earthshaker and Wayward Wind Keyblades, which make quick work of the Darksides and renew her hope. She looks at her Wayfinder and remembers all the friends she has made throughout her journey across the worlds. Smiling, Aqua vows to escape the Realm of Darkness.

However, as she moves onward, a crack of light forms in the cavern's roof and a beam of darkness fires through it. Aqua's Wayfinder stops glowing and she senses something is wrong. Aqua ventures deeper in the Realm of Darkness and comes across the Heartless, enemies she does not recognize. As residents of the Realm of Darkness, these enemies prove to be stronger than the Unversed, but Aqua manages to fight her way through them until she reaches the Dark Hide. Although the beast is vicious and powerful, Aqua finally emerges victorious after a lengthy battle. Venturing forward, Aqua is horrified when she spots the destroyed Castle of Dreams jutting out of a sea of darkness in the distance.

Kingdom Hearts 358/2 Days[edit]

Six days after Roxas's induction into Organization XIII, Roxas visits Xemnas at the Dark Margin, where they briefly talk before Xemnas takes his leave.[citation needed]

Kingdom Hearts[edit]

After Ansem takes Riku's body, Riku's heart escapes to the Realm of Darkness, where he hears Mickey calling for him. Mickey lets him know that he has retrieved a Keyblade of darkness, with which they can close the Door to Darkness. Riku agrees to help, and continues onward.

Later, after Sora reaches the deepest depths of the End of the World, he finds Ansem preparing to open the Door to Darkness, so that he can enter the Realm of Darkness and the Kingdom Hearts of Worlds' Hearts laying within it. Though Sora defeats Ansem, the door has already opened and darkness begins spilling out. As Sora and his friends struggle to shut the door, they see Mickey and a restored Riku on the other side, and together, they manage to close the door.

Kingdom Hearts Chain of Memories[edit]

Riku awakens from his slumber in the Realm of Darkness[citation needed] when an unseen presence, later revealed to be DiZ, gifts him a magic world card and asks him to choose between slipping back into sleep, or taking the card and making his way toward the truth. Riku decides that going back to sleep would be boring, and confidently takes the card. He is taken by the card through a corridor of darkness to the lowest basement of Castle Oblivion. As Riku makes his way through the castle, he is contacted by Mickey, who is still trapped within the Realm of Darkness but encourages Riku to persevere. As Riku reaches the top of the castle, Mickey finally finds a way out of the Realm of Darkness in the form of another card, which showed him Riku's heart and led him through a corridor of darkness constructed by Organization XIII.[1]

Kingdom Hearts II[edit]

After running into Mickey at Twilight Town, Sora and his friends decide that they must enter the Realm of Darkness to find Riku.

When they encounter Saïx at the Battle of the 1000 Heartless, Sora even begs Saïx to let him into the Realm of Darkness, but the Nobody coldly refuses and prepares to attack. Maleficent begrudgingly rescues Sora and his friends by transporting them to the Realm of Darkness, where they run into a disguised Riku-Ansem. He leaves them a sea-salt ice cream bar and a photo of Roxas in Twilight Town as clues to get to The World That Never Was, rescue Kairi and destroy Organization XIII. They follow the clues to the Old Mansion, hoping that the Simulated Twilight Town will have another path to the Realm of Darkness.

After defeating Xemnas within his "The World of Nothing", Sora and Riku end up at the Realm Between's side of the Dark Margin. They patiently wait there until Kairi's Letter washes up on the shore. The Door to Light appears as they read it, allowing them to return home to Destiny Islands.

Blank Points[edit]

Eventually, Aqua finds Ansem the Wise sitting on the coast of the side of darkness, having been sent there by the explosion of the Kingdom Hearts Encoder, though he is slowly losing his memories again. Aqua and Ansem have a conversation about the worlds and how Ansem came to know Sora. This leads Aqua to shed tears of hope and say Sora's name, knowing that he will save her and her friends.

Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage-[edit]





  • According to the Director's Secret Report XIII, the Dark Margin is the tip of a world in the Realm Between reaching into the Realm of Darkness. The Kingdom Hearts II game files and the official Kingdom Hearts website refer to this world as End of Sea (エンド・オブ・シー Endo obu Shī?).

Notes and References[edit]

  1. Secret Ansem's Report 11: "It seems my friend, fighting in the realm of darkness, appeared in Castle Oblivion through a corridor of darkness constructed by Organization XIII. My new ally Riku also effected his return via one of these corridors."