Provides guidance from seasoned Deathwatch veterans on how to best exploit the weaknesses of different xenos species.

The digital PDF version remains highly sought-after by tabletop players for its technical utility.

This text is not merely a list of combat statistics.

RPG, detailing adversaries in the Jericho Reach such as Tyranids, Tau, and Orks. It includes rules for Hordes and massed battles, though critics noted the inclusion of Chaos forces and a need for more extensive alien entries. For more details, visit Strange Assembly Cubicle 7 Games Warhammer 40000: Deathwatch, Mark of the Xenos

The book breaks down enemies into several high-threat categories: