Allows you to upgrade barbarian cavalry when you obtain them using Unifier Qin, Genghis Khan, Boudica, Heathen Conversion apostles and Barbarian Clans mode.
Features:
1. Upgrade Barbarian Horseman to Horseman.
2. Upgrade Barbarian Horse Archer to Archer.
Features:
1. Upgrade Barbarian Horseman to Horseman.
2. Upgrade Barbarian Horse Archer to Archer.
