As the Great Crusade advanced, the Emperor's light burned away the shadows of Old Night and reveled many human enclaves locked in a desperate war for survival. Now, just as the Imperium was set to elevate mankind into a new golden age, the flames of betrayal will drown these same fledgling bastions of stability in a tide of blood and carnage. Far from the light of Sol, in the myth-drenched rumours of the Veiled Region - that a grim and ill-starred cluster of systems lingered on the edge of memory - the Carcass Straits brace to receive Loyalist and Traitors forces alike. Learn the cruel history of this region, and why the conflagration of war will come to consume Elmghast...