Down and down, farther than I had ever been before. The stone walls pulsed. At first, I thought it was my own unsteady breathing, my own erratic heartbeat hammering too loudly against my ribs, but the walls themselves seemed to breathe. Micah’s grip on me tightened as a massive, dark iron door appeared before us. A heartbeat that was not my own thundered in my ears. The vessel knew I was here, and it was waiting.