Prowling the Darkness - Rayden Valkyrie Tales

Dark rumors and whisperings of unholy sorcery bring Rayden Valkyrie to the remote city of Sereth-Naga. There she finds a populace cowering in fear of the city's ruthless, mysterious rulers, who remain behind the high walls of their citadel. An even greater mystery surrounds the city. Something is prowling the darkness. Something that has kept the enigmatic rulers for centuries from escaping Sereth-Naga to spread their wickedness to other lands.
Prowling the Darkness is a stand-alone novella that is part of the Rayden Valkyrie Tales.