THE DIRECT SEQUEL TO AVIOR VS. DEKAR! The nations throughout the Stellarspace continue to be at war. The Knights of the Covenant and the Viper Lords have clashed once again. Sixty years after the Battle of Thran. However, there is something lurking in the shadows of the stars. Ancient tenets spoke of an undead force thriving on a dead planet, preparing to attack all life in the Stellarspace in a means of conquest. Aweran Serkelrod, a revered Knight of the Covenant has received a premonition detailing their coming arrival. His warnings go out as all nations must put aside their differences, for the Undead army seeks to come for their souls - Beware The Onyx Cavaliers. This book also includes an Appendix. Giving readers more insight into the Stellarspace.