Start by Escaping into the Wilderness and Secretly Build a Powerful Empire.

I am Xiao Che, a doctor of science and engineering from the 21st century. An accident brought me to the ever-changing Daqian Dynasty, where I became the ninth prince. The new emperor was just established and the government was not yet stable. I had no intention of getting involved in this vortex of power. I just wanted to stay out of it. However, due to a twist of fate, he was eventually involved in this dispute. "I wanted to get along with everyone as an ordinary person, but what I got in exchange was that they pressed me every step of the way." I stood on the tower and looked into the distance, "In that case - I won't pretend anymore, I'm showing my cards. I want this world." While other brothers were still hoarding grain and building high walls, the homes of the people under my rule had already been electrified; while their armies were still worrying about food and grass, my territory already had a transportation network extending in all directions; while they were still practicing cold weapon formations, my guns and cannons had already been aimed at the battlefield...