- Are a race of technologically advanced aliens new on the galactic scene.
- Believe in a Greater Good that all races, including the Tau themselves, must serve, whether by choice or subjugation.
- Are an enemy that can potentially be negotiated with.


Is the dangerous other-realm thorugh which starships must travel to go between stars. Is only navigable by a particular breed of psyker […]
Is the greatest, most powerful human being ever to live. Created the Space Marines. Is a near-corpse kept barely alive so that […]
Have been defined in Warhammer 40,000 lore (including the Deathwatch Core Rulebook) for several years as unable to exist due to the […]
Is a long-lost sector of space that the Imperium wishes to reclaim. Is the site of a bloody, thirty-year stalemate between the […]