Summary:
- The article discusses the release of a new trailer for "Dawn of War IV," the latest installment in the popular Warhammer 40k video game series.
- The trailer focuses on the Dark Angels, one of the Space Marine Chapters in the Warhammer 40k universe, and their involvement in the game's storyline.
- The article provides details about the game's setting, factions, and the role of the Dark Angels, which are all key elements of the Warhammer 40k tabletop game and broader franchise.