Warhammer 40,000: Dawn of War II

These four achievement are all related to finishing the game on the various difficulties. Primarch is hard! Perhaps easier than Primarch in the original campaign, the new gear and skills can help a lot. So if you can finish the main campaign on Primarch you shouldn't have too many problems with this. See "Crush The Enemy" for general tips on Primarch.

Be corrupt! The extra skills and gear you get for being corrupt makes the game easier.