Mark of the Xenos is a 144-page bestiary supplement for the Deathwatch
But what exactly is this document? Why is it so sought after? And how does it fundamentally change the way you play the Long Vigil? This article provides a comprehensive breakdown of this essential supplement, its contents, its value in the modern meta, and where it fits into the pantheon of Deathwatch literature. Warhammer 40K - Deathwatch - Mark Of The Xenos.pdf
The Xenos Hunters’ Sacred Tome
Keep the PDF as a historical artifact. For players : Always check with your tournament organizer before using rules from this document; it is best suited for casual, narrative, or open play. Mark of the Xenos is a 144-page bestiary
: Human enemies and internal threats to the Imperium. This article provides a comprehensive breakdown of this
Before the current 40K lore made the Hurd a massive threat (the "Hrud Migration" in the Siege of Terra books), Mark of the Xenos gave us their RPG stats. The Hrud’s "entropic field" ages flesh and rusts ceramite instantly. The PDF provides a time decay chart —a mechanic rarely seen in 40K games.