As his investigation continued, Aramus discovered to his horror that the source of the Chaotic corruption within the Chapter was none other than Azariah Kyras himself, who had fallen under the sway of the Greater Daemon of Nurgle named Ulkair on the ancient world of Aurelia over a millennium before and spread his taint to Galan aboard the Space Hulk Judgement of Carrion. Kyras had escaped the doomed planet Aurelia when it was consumed by a Warp Storm aboard the Space Hulk with the aid of Ulkair and had returned to the Chapter with his dark seed of corruption when he met with a Blood Ravens expedition exploring the Hulk that included Galan.