Promise of Vipers

In the fourth installment of this gripping urban fantasy series, Lucas Rurik, the last member of the Raven Guild, faces escalating chaos as rift energy tears through the sky, unleashing new horrors. Two years after dealing with the deranged Dr. Callie Mitchell, Lucas uncovers a disturbing connection between ancient powers and a new guild determined to eradicate the Raven Guild. As he battles governmental conspiracies and personal secrets, he must navigate a dangerous mission that could change the fate of both the Rift and Earth forever.