Deathwatch Mark of the Xenos Ars Magica RPG by various companies the Inquisition is sent on

the Inquisition is sent on an investigation from his palace to a lost fortress on a distant world

and enhance them with magical improvements

Amid the perpetual shadows and bottomless bogs of the Hooktongue Slough lie long-mired secrets and terrors eager to consume any who intrude upon their fetid realm

"The Well of Sacrifice"

The other two battle maps are picked up from out-of-print products

Deathwatch Mark of the Xenos Ars Magica RPG by various companies the Inquisition is sent onThe Enemies of the Emperor are many Aliens, Heretics, and Daemons scheme from the shadows to oppose the Imperium of Man, but the Space Marines of the Deathwatch are sworn to hunt down and destroy all enemies of the Emperor. Remain vigilant! Learn the nature of your foes, that you might better purge them from the stars. Mark of the Xenos, a supplement for Deathwatch, presents a myriad of worthy challenges for any Space Marine, from the ravening Tyranid