 The southern, main force, under the Caliph himself, would pass through the Cilician Gates into Cappadocia and head to Ancyra.After the city was taken, the Arab armies would join and march to Amorium.Afshin's force included, according to Skylitzes, the entire Arab army of Armenia, and numbered 20,000 (Haldon) to 30,000 men (Treadgold), among whom were some 10,000 Turkish horse-archers.