Warhammer 40,000: Fire Warrior Free Pre-Installed
The empire also includes several alien races who were annexed by force, or voluntarily joined the Tau through trade agreements. The basis of society is caste division. Four castes: Fire, Water, Air and Earth dictate certain roles in society to their novices, be it a warrior, employee, pilot or worker. The rulers of the four castes form a mysterious fifth – the Ether caste, which binds all castes together.
