The Ten-Thousand-Mile Imperial Dynasty

In a white light curtain, Ding Shu meets another version of himself and transmigrates a thousand years into the past, where he turns out to be the reviled Third Prince. With the memories of his previous life and the power he wields in this one, how can Ding Shu turn the tide, overcome all opposition, and build a mighty empire that commands the allegiance of strong nations and the tribute of weaker ones?