He loped sure-footedly across the shifting wreckage, towards the spade-carrying zombies, which didn’t react to his approach at all. He announced his presence by sending a grenade ahead of him, pitching it into the heart of the largest zombie grouping.
That got their attention. The explosion scattered the ungainly creatures and put a stop to their labours at long last. Some of them were hurled up to a hundred metres away, and more than a few were brutally dismembered. Hardly any of them, however, stayed down.
The zombies climbed to their feet and came shambling towards Brother Filion.
He pumped them full of bolter fire, putting some down but only staggering most.

The Plagues of Orath