The Abyss Gazes Back: Part Two

Reunion

The silver-shrouded man hangs in the air, suspended by a power that existed before time.

Granite walls and floors gleam dully in the soft light filling the otherwise empty room. The light doesn’t come from the room, but from the power: the circle that surrounds him, the symbols inscribed within the circle, all glowing with enough strength to reach the very end of the long room, to reveal the door—plain, almost shabby compared to the room—that sits, closed, at the far end.

What is this...