Castle Oblivion
Labyrinth of memory
Story and background
Organization XIII uses this transformed world to manipulate Sora’s memories through Naminé. Its hidden chambers also protect Ventus’s sleeping body.
Events and connections in the series
Aqua carried Ventus back to the ruined Land of Departure. She used Eraqus's Keyblade, Master's Defender, to transform their home into Castle Oblivion, a place where outsiders could not easily reach the hidden sleeping chamber. She promised to return when she had rescued Terra. That promise would cost her more than a decade.
Sora, Donald, and Goofy came to Castle Oblivion, not knowing it was the altered Land of Departure where Ventus slept. Organization members led by Marluxia manipulated them into climbing the castle. Each floor drew on their memories, while those memories weakened. Naminé, compelled by the Organization, rewrote Sora's relationships so he believed she was his childhood friend and the person he needed to rescue.
Sora woke without memory of Castle Oblivion, Roxas's friendship, or Xion's sacrifice. Donald and Goofy rejoined him, and the trio set out to find Riku, Kairi, and King Mickey while fighting Heartless and Organization Thirteen. Across the worlds, a strange contradiction emerged. Sora's heroism was being used against him. Every Heartless he destroyed with the Keyblade released a captured heart, and the Organization was collecting those hearts for the artificial Kingdom Hearts above its castle.
More in the lore
Explore the complete chronology for the surrounding events, relationships and consequences across the games.