Warhammer 40,000 WH40K Rogue Trader RPG The Navis Primer

The Warp is a domain of nightmares, filled with insanity made manifest and ethereal predators hungry for souls. Yet it is this shadowy realm that a Rogue Trader must tread to seek fame and fortune amongst the stars. The Navis Primer, a supplement for Rogue Trader, reveals the secret history of the Koronus Expanse's Navigator Houses, while unveiling the Astropath Voidfrost and Soul Ward Disciplines. The Navis Primer provides expanded rules for navigation and astrotelepathic communication, and presents terrifying new hazards and foes from the depths of the Expanse!