In the war of troubled times, they rose from the wilderness or power, ended the old dynasty with courage and agility, and created a new beginning. The iron cavalry traverses the ruined mountains and rivers, and the strategy creates a new world. Ten emperors and ten kinds of legends, between the bloody conquests and the laying of the foundation for the rule of the country, jointly wrote the heaviest epic in the chapter of "the founding of the country" - this is not only the pinnacle of personal will, but also the inevitable result of the fission of the times. Their choices have since defined the direction of a civilization.