As of this publication, the entrance to the Labyrinth of Estras has been sealed with a titanium grate. But the mystery remains open.
Legend attributes the construction to , a high-magus of the First Era. History remembers him as a man obsessed with "absolute isolation." Driven by a grief that has been lost to the annals of time, Estras sought to create a sanctuary where he could study the fundamental fabric of reality without the intrusion of the physical world. Labyrinth of Estras