Gate of Souls (Warhammer 40,000)

The bleak but mineral-rich world of Dirge is home to a deadly secret. Prospectors are dying in droves, but Imperial Guard Colonel Ravin cannot figure out how... until Inquisitor Santos arrives and delivers dread news. The forces of Chaos are descending upon the world, in search of an ancient artefact that is the cause of the planet's woes... and may doom them all. Read it because
A deadly artefact draws the forces of Chaos to a bleak mining world. Can the Imperial Guard defend against the dread warriors of the Dark Gods? From Tales from the Dark Millenium.