In the 21st century, Chinese special forces soldier Zhong Yu encountered an ambush and was killed while performing a mission. His soul traveled back to the Ming Dynasty, Li Jinglong, and used modern technology to refine salt, metallurgy, firearms, etc. To continuously strengthen himself. At the same time, he was constantly intertwined with the kings and vassals of the Ming Dynasty to help the Ming Dynasty continue to grow stronger, eliminate foreign enemies, and leave a legendary life!
