The Orpheus Sector was a famed former Sector Imperialis whose status as a sector of the Imperium of Man was recently revoked by order of the High Lords of Terra following its devastation in the still-ongoing Orphean War. The worlds of the Orpheus Sector are counted amongst the oldest celestial bodies within the galaxy and its planets until recently hid a dark secret. Yet, for four millennia, the Orpheus Sector has also been a powerhouse of Imperial might, a stronghold at the outer borders of the Imperium of Mankind. Located in the Dark Marches region of the Segmentum Tempestus and boasting its own proud history and Imperial Navy warfleet, the Orpheus Sector was first established in the 36th Millennium following the famed Dark Marches Crusade. Although its days of glory now rest in the past