A Space Marine Battles novella

Ortan Cassius – Ultramarines Chaplain and Master of Sanctity. Hero of the first Tyrannic War, his name is legend. When the hive fleets target the world of Styxia, Cassius leads the defence.

READ IT BECAUSE
It's a good old-fashioned tale of Ultramarines vs tyranids, with none other than the alien-hating Chaplain Cassius (and let's be fair, he has good reasons to hate these particular xenos) leading the fight.