Gate of Anguish (explorable)

The Gate of Anguish explorable area is divided into four sections. See the pages of the individual sections for details:
 * City of Torc'qua
 * The Foundry of Failed Creations
 * Ravenheart Gloom
 * Stygian Veil

The Gate of Anguish explorable area also contains The Ebony Citadel of Mallyx, which quest dialogue implies is the location of the Gate of Anguish mission.