Quote Originally Posted by Teleklos Archelaou
We have tried. We have done a lot to help combat it actually, but there are some inherent weaknesses for any nomadic factions that may be too much for us to overcome.

I will say that I have seen the Parthians really grow stronger than I expected in my current campaign, but I helped them out at first and when they started getting better infantry now they are a serious, and balanced, force, but they are no longer nomads either.
I think some ot those prob's are already addressed by EB team

https://forums.totalwar.org/vb/showthread.php?t=96143