Warhammer 40,000: Dawn of War II
73 Achievements
2,000
Xbox 360
The Emperor's Justice
Defeat the Traitor Guardsmen on Aurelia in Chaos Rising.
20
How to unlock the The Emperor's Justice achievement in Warhammer 40,000: Dawn of War II - Definitive Guide
Story related and can not be missed.
Simply complete the first level on any difficulty and this will pop.