The Last Mission in the campaign. To kill the Bloodthirster and break this prophesy. like this ending was like the dawn of war II games will there heroes you have and that's all. it also felt like a raid boos in world of Warcraft or some think fighting the big boss monster.
There is also and Easter Egg for the next Dawn of War II content.
Warhammer 40,000: Dawn of War III Statistics For Mr OGF
Mr OGF presently has 1,123 views for Warhammer 40,000: Dawn of War III across 18 videos, with the game making up 12 hours of published video on his channel. This is 6.02% of the total watchable video for Warhammer 40,000: Dawn of War III on Mr OGF's YouTube channel.