Andra, the one-eyed sacrifice, has survived her first encounter with a freed demon and unleashed a plague upon the world. Now, she must descend deeper into the labyrinth's heart, into the soundless prison of Agares, the Earthshaker Duke. In a world where silence is a weapon and every step could be your last, Andra must unravel a sonic mystery to free the duke, gaining a new power at a terrible cost. But each freed demon brings the world closer to ruin. Will her quest for vengeance save her or doom everyone? The first demon's story is out now, and the journey has just begun. Discover the second chapter in this darkly addictive series, with seventy more gates to unlock. Also in Chronicles of the Bone Key: The 72 Pillar Demons Series: Chronicles of the Bone Key I: Bael the Erased King