Protagonist: Lin Yuan, 30, senior engineer at a military-industrial company, specializing in small-arms design and gunpowder formulas
Transmigration point: 1042, the second year of Qingli in the Northern Song, during the stalemated Song-Xia War
Starting identity: Apprentice at a blacksmith’s shop outside Bianjing, whose original body died in an industrial accident
Core golden finger: Modern military-industrial knowledge and an advanced, systematic way of thinking
Main conflict: Using advanced weapons to change the Song Dynasty’s predicament of a strong central government and weak local forces, and its emphasis on civil officials over the military
Beautiful and interesting