A terrifying new story arc begins!
When a secret experiment unleashes the ancient God of Nightmares, Owen Blackwood is thrust into his most dangerous case yet.
As the horrors of the Underworld Universe spill into the waking world, Owen must confront monsters both supernatural... and deeply personal.
Perfect for new readers, this pulse-pounding new chapter reveals haunting secrets from Owen's past while expanding the dark mythology of the Underworld Universe.
