Mission given to the Ultramarines was not simple, although the captain initially thought of the thing as something of the routine sort.
When the crew was sent on Pavonis for some interrogation, Ventris thought that it would be easy because he had the ability and technology to get the task completed within no time.
The team was told that an alien race was bringing destruction to that planet. So all they had to do was to track those aliens down and bring peace to the planet.
When they landed on the surface of the planet, they found out that the aliens were onto something big actually.
The alien race was trying to awake an ancient devil which was buried under the surface of the planet. The beast known as the nightbringer had the power to bring down an entire galaxy even.
So if the aliens succeed then it would be all over for the ultramarines and the human species. Graham McNeill has introduced such strong character in previously so this is not something which is a new thought by the author but the circumstances are new as compared to The Successors and A Thousand Sons.
The scenes are more devastating for those who want to survive and get back to the home planet as early as possible. Bruce Mackinnon’s high pitched rhythmic voice will change your opinion about high class narration.
Narration of this quality is not there in fantasy stories most of the time and this damages the appeal. Here the appeal is aroused more and more because of the narration and the efforts of the author that are one of a kind.