A canal trader with a forbidden gift. An ancient treaty unraveling beneath a mountain lake. The cost of saving the world is everything.

Arnold Haugen smuggles Elder relics and maps ruins no one else can sense-until a ruthless councillor kidnaps his sister and forces him into a flooded labyrinth where the old gods are waking. Deep beneath Lake Norsjø, Arnold must choose between escape and sacrifice-between the life he has and the world that needs him to become something else entirely.

Begin the descent. Some doors only open from the inside.