It is an ancient time when gods and men made war. Strange beasts roam the land and only the bravest souls dare to set out from the safety offered by a city’s walls. Caravans periodicly cross the desolate land to facilitate trade. For those brave or foolhardy enough to guard these caravans, it is an opportunity for adventure, excitement, and glory.

After that, take a look at your wiki. There is some more helpful info there.

Chronicles of Ur