P.S. There is at least one new faction that I don't think anybody has ever guessed.
Massagetae, Kartli, Aorsi, Rhoxolani, Kambojas, Saka Haomavarga, Lugii, Tarbelli, Rheatians, Qataban, Hadramaut, Palmyrae, Nabatea???

If not one of those is a faction i give up.