Rogal Dorn, known as "The Vigilant," the "Praetorian of Terra" and the "Unyielding One," and to his gene-sons by the "wall-name" of "Defiance," was the primarch of the Imperial Fists Space Marine Legion and one of the greatest heroes in the history of the Imperium of Man. A being of thunderous zeal and stone made manifest is how many described the primarch of the VIIth Legion. He had a stern and naturally unsmiling face, topped with an unruly shock of short, bone-white hair. His zeal was the fire of a son who believed in his father's dream for the Imperium without reservation and without question. To Rogal Dorn there was no higher purpose to the existence of the Legiones Astartes than the unification of Mankind, and the illumination of the Imperium's ideals. This idealism drove Dorn and his Legion ever onwards, never compromising, never stinting in any aspect of duty. The stone in his soul was his ability to bear whatever his father needed of him, an unyielding nature, which made him