Warhammer 40k - Deathwatch - Mark Of The Xenos.pdf !!exclusive!!

The "Mark Of The Xenos" likely refers to a specific threat or mission type that Deathwatch units are tasked with. In the Warhammer 40K lore, dealing with xenos is a constant aspect of the Imperium's struggle for survival. The Mark could symbolize a particular kind of operation or a classification of xenos threats that are deemed particularly dangerous or unknown.

: Human enemies and internal threats to the Imperium. Warhammer 40K - Deathwatch - Mark Of The Xenos.pdf

Key sections include:

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. The "Mark Of The Xenos" likely refers to