Treya was little more than a footnote in the annals of the Ullanor Crusade. Neither Ork nor Astartes set foot upon its soil, nor was its system marked by any great battle or tactical significance. Of its five planets—only one held any promise for habitation. Even then, only half of the planet’s surface was considered viable for colonization, the rest locked in an endless cycle of freezing and flooding due to the planet’s extreme axial tilt. Where ice did not entomb the world, tidal deluge follow