Ten Emperors of the World

The First Emperor, Emperor Gaozu of the Han Dynasty, Emperor Taizong of the Tang Dynasty,... They come from different eras, but have the same identity. This is not the country they are familiar with, but it has enough power to reshuffle the world. They brought with them the strongest armies, counselors and famous generals of their respective eras. Until they discover that everyone must abide by the same rule: There is only one emperor in the world.