Beyond the merely mundane threats, the polar Warp Gates connect directly to the Realm of Chaos and lets loose the empyrean horror that strains at reality. This infighting would prove to have disastrous consequences, as heresy and corruption of all kinds festered and grew in the absence of any unified strength. For over six centuries the Empire had been in a state of civil war, with each of claimants to the Imperial throne making war upon any who would deny their right to rule. It was heralded in an ominous fashion when the city of Mordheim was destroyed by a warpstone meteor at the stroke of midnight.
The Vampire Wars (2010) - The turn of the millennium was a time of great change and upheaval in what was left of the Empire.