Lin Chen is a graduate student in the history department of a modern university, specializing in the military history of the Song Dynasty. He has a calm and tenacious personality. He is familiar with the military organization, tactical flaws and combat characteristics of the Jin army in the late Northern Song Dynasty. He has strong practical ability (a hobby of cold weapon combat and simple fortification construction). After traveling through time, he became a rural soldier in Tangyin County, Xiangzhou, Hebei West Road, Northern Song Dynasty. His original name was "Gouzi", but he was renamed "Lin Chen" by the local brave leader because of his literacy.
