From Burning Wiki
Novel types of Armies
Some necromancers try their luck at leading armies to seize territory. These gain the Commander of the Undead Legion trait.
There are strange spirits in the land. One of these spirits is the Red Tusk.
Those regions which lack an Emperor often have regents.
Beyond the Western Imperium:
Beyond the borders of the Western Imperium to the west live, among other tribes, the Ostrogars.
Ostrogar cultural traits:
Hairy, Tuttavore, Superstitious
The southern emirates
The southern emirates are having difficulty with pirates to the north, and bandits to the south. They worship Tarik ben Muwali, the Sky Emir. Some of the faithful seek to repeat his deeds, in hopes of achieving divinity.
Emperors Some people try to rule their people by being Politicians.