Typhus: Herald of the Plague God (Black Library Advent Calendar 2013 #10)

A world of perfect faith and matchless purity, Annunciation is one of the holiest planets in the Imperium. Of course, the higher the rise, the further there is to fall. This, Typhus knows well. As one who once fell from grace, he is determined to bring Annunciation to the same fate. And he is determined to do so alone. But what can one Chaos Space Marine do against a world of countless billions of souls? Read it because
A creepy and dark tale focusing on the methods Typhus uses to spread his praise of the Plague God to worlds across the Imperium.