In the fealty of the God-Emperor and by the grace of the Golden Throne, I hereby sign the death warrant for this entire world

The line came from Dawn of War II: Retribution during the Exterminatus of Typhon Primaris.

In the fealty of the God-Emperor and by the grace of the Golden Throne, I hereby sign the death warrant for this entire world and consign a million souls to oblivion. May the Imperial justice account in all balance. The Emperor protects

We have arrived, and it is now that we perform our charge. In the fealty of the God-Emperor and by the grace of the Golden Throne, I hereby sign the death warrant for this entire world and consign a million souls to oblivion. May the Imperial justice account in all balance. The Emperor protects.