Xiongnu, Scythians, Huns.   I've created preliminary versions of each in my Delenda Est Git repository here: https://github.com/JustusAvramenko/delenda_est Obviously the nomadic civs should have some similar attributes. No territory bonus or restrictions Consequently, their buildings have -50% health and loyalty Raiding and Looting bonuses A focus on cavalry Cavalry units can build Livestock bonus, called "Pastoralism." Packab