I have finished my mod and find the way to edit the exe files. Now I made my mod run independently and has its own exe file. I am concerned on my second mod telling about the mongolian and Turkish empires- The Yuan Empire, The Timur Empire and the Golden Horde Empire, also includs other nations such as Byzantine, Ming(Chinese), Poland and so on.
Asian Light Cavalry (age 2), Keshik (age 1-2)
Chinese Crossbow (age 3), Samurai (age 3), Korean Noble Swordman (age1)