Colonel Apollo Vahagn was a perfectly loyal officer of the Imperial Guard, commander of (Planet)'s 360th Conservator Regiment and the favored tactician of his mentor and immediate superior, General (Person). Unfortunately, Apollo lost sight of the bigger picture and tied his fate and fortunes too closely with his mentor, not realizing that the man had turned to Chaos, and that he had been planning successful battles against loyalist units. Technically a traitor, Apollo's sanity did not handle the eventual discovery of his status well. Refusing to consciously betray the Imperium but unwilling to admit to his own shortcomings, his persona has become tied to the construct of the War Effort. Everything Apollo does is to advance the War Effort, and he has an almost preternatural ability to assu