"Ultramarines, you know what to do!" They nod, already lining up their bolters on the bomb, one posthuman hero for each point, as their bolters make the roaring bark which has become so characteristic of Garviel and his brothers since the Holy Grail war.

Garviel himself engages the flame-headed creature, firing one-handed at him while the other hand brandishes a chainsword, obviously challenging him.