Torhaven

Torhaven is an Imperial war world. No segmentum, sector, system, or coordinates are recorded for it.

In M41 the Ordo Xenos sent a Deathwatch kill team to Torhaven after reports of Genestealer Cult activity. Unknown to the Inquisition, a fortress on the planet’s surface held a secret cache of Ultramarines gene-seed. To keep it from the cult, the Chapter dispatched a strike force under its Master of Sanctity, Ortan Cassius, who joined the kill team and led his battle-brothers through a series of desperate battles to purge the cult from the world.