At the End of the Ming Dynasty, I, the Mecha Martial Saint, Will Never Shave My Head.

March, the seventeenth year of Chongzhen. There were less than ten days left before Li Zicheng invaded Beijing. Song Liangchen traveled through a sick and weak military family. His father died in the war and his family was extremely poor. He happened to encounter the imperial conquest... Fortunately, the system was activated and I got the Marvel Nano Battle Armor... In this world, there are powerful generals in the army who can ride thousands of horses, and there are martial arts masters who can fly over walls and walls. Let's see how Song Liangchen uses technological means to deal with them...