Dark Heresy 2.1
When compliance forces arrived in the sector that would come to be known as Saint Atamere they found techno-barbarian rabble battling amidst the ruins of long forgotten civilizations.
No written record survives and very little can be parsed from millennia old artifacts but local myths spoke of an impossible empire made possible by the endless toil of slaves bound by fell forces. This star spanning realm of the impossible owed its success to supposed “wish-craft”. A preposterous method of magic involving the binding and coercion of warp entities
Wish-craft continues to be a prevalent superstition among worlds of the Saint Atamere sub, despite no small effort made to eradicate the belief.