Concealed Ruins

Concealed Ruins (Japanese: かくされたいせき Concealed Ruins) is a dungeon in Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness. It is unlocked after defeating in Aegis Cave. When the undefined exits Aegis Cave with Team Charm a new entrance to the treasure opens, Concealed Ruins. It consists of 30 floors.

can be found on B20F, but the player needs to have the Mystery Part or Secret Slab in the bag. There is a locked door on B29F with a box in it containing either Rock Sash, Steel Sash, Ice Sash, or Ancient Ring. At the end of the dungeon, there are six Deluxe Boxes and a Warp Tile leading out of the dungeon.

Trivia

 * Within the game's code is a location called Deep Concealed Ruins, implying the location was initially meant to be split in two parts. However, the game loads data of the Test Dungeon instead.

In other language
Verborgene Ruinen Ruinas Camufladas Ruines Cachées Rovine Nascoste かくされたいせき 隐藏遗迹