Kyriyes

Kyriyes, an Imp agent of the Forge Worlds, answers to Asmodeus. Contracted to a powerful lich named Katrana in the Year 1457, he is the longest-serving imp. At the time, he was secretly an agent of Asmodeus, tasked with turning Katrana to the way of his master and disrupting the machinations of Thasmudyan. While the effort to transform Katrana into a potential proselytizer was ultimately abandoned, her desire for power and position within Black Banner's rising ranks were encouraged. Kyriyes then fed intelligence to his true master, amassing a vast library of information about the lands, the people, and the ancient battlefields where Asmodeus had once led the Covenant armies against a great demon invasion (89 GE - 269 GE).

In 1467, two years into the Black Tide War (1465 - 1486), Kyriyes persuaded Katrana to support the idea of recruiting talented individuals to lead large-scale military operations. It was a domain in which the Black Tide were learning through costly mistakes. Following a meticulously prepared address, Katrana convinced the First Dead to employ a mercenary general named Raxcvillibus, who, like Kyriyes, served as an instrument for Asmodeus's schemes.