A Knife to Survive in the Late Jin Dynasty Split the Road Between Life and Death

A man from science and engineering set off a turmoil in the late Jin Dynasty, when the times had gone astray. Reasonable writing method, Goldfinger also has a basic method. All systems and achievements are based on the historical background as much as possible, and are deduced step by step; all characters have their own behavioral logic, try to avoid unreasonable plots, and make readers feel as reasonable, dark, and deep as possible.