Celestian Sacresant Aveline, of the Order of the Sacred Rose, has a final, sacred duty to perform before joining the battle for Cadia – securing Orison VIII, a minor shrine world in the Cadian Gate.But when a simple mission to hunt down a Chaos sorcerer becomes a deadly game of cat and mouse, an ancient evil is uncovered – an evil that knows her name. Should Aveline be unsuccessful in defeating this new threat, Holy Terra itself will pay for her failure in blood.