RULES FOR HORDES
Hordes are interesting. They have the ferocity and civility of Barbarians, but a unified structure like a state which they use to direct their power. At any time, a state can attempt to become a horde and vice versa, but this should only be attempted with a good reason (annihilation) and good confidence/culture to hold your new horde together.
Generally, a Horde lasts a maximum of 4 turns/200 years, but there are many exceptions, of course!
The Horde has a Cohesion stat, which goes either the Confidence or Culture track depending which you are relying on to hold it together. The stronger the cohesion the more you can hold it together, and the longer and further you can migrate. Weak cohesion can risk small groups splintering off and settling.
The Horde has an economic stat. This is represented by Making/Gathering/Looting in a vile mirror of the civilized Manufacturing/Growing/Trading. Making is your hordlings taking ores and resources and making their own things, which can be directed for warfare. Gathering is growing quick crops and harvesting empty fields (cuz you killed the farmers) for your own use. Looting is the constant taking of other people's finished goods, razing cities, and just like trading will fluctuate much more than the other stats. You also have a treasury/loot bank.
The Horde has 3 types of units depending on its origin. Traditional, Civilian, and Hordlings. Traditional units are normal units civilized people use, and are the legacy of the civilization it birthed from. It can also display a Horde slowly becoming civilized. Civilians are people not skilled in the art of war at all but can help flesh out the horde in attack. They also tend to show civilized influence in a Horde. Each Civilian is about 10,000 people, of which 1,000 might be militia of some sort. Finally, we have Hordlings of 10,000 people. Every man in a Hordling is a warrior of somekind, testament to their brutal lifestyle. Hordlings generally have 5,000 fighters in it, with special troops (like Chariot Lords, Elite Berzerkers ect) listed either seperately or in a Horde by Horde basis.
For a horde to become civilized, they would need to either repair old cities and build their own. A civilizing horde will suffer mass uncohesion, and may become barbaric for a few years before it finally forms a state. However, if it manages to survive the cohesion it will have quite an army to defend their new homes.
And so here is an example Horde!
Dorian Horde
Economy: 5/7 (1/3/1)-5
Cohesion: Admiring
Troops: 15 Hordelings, 8 Terror Hounds, 3 Civilians
Hordling Desc: Hardened Mountain Men, wielding axes, bows, with minimal armor. Each Hordling is led by a Chief and a retinue of about 500 wielding two axes and decent armor.
Horde Desc: The Dorian Horde used to be much bigger, but the Katanic incursion managed to disrupt their unification and cause a civil war. A weakened but still determined Horde is ready to invade Makedonia, and take it for its own.