In the wind and snow at the Dajing frontier fortress, the 17-year-old sickly proton was thrown in front of the broken camp gate. Everyone sneered: "A remnant of old shame is worthy of wearing armor?" ' But no one saw it. When Xiao Chengyu coughed up blood and raised his eyes, a hundred thousand troops surged deep in his consciousness - his 'Military Strategy Deduction Simulator' had been activated! Starting from the first night when three thousand defeated troops were reorganized, hundreds of deductions were made to calculate the wind and direction, and thousands of simulations were conducted to uncover the enemy general's conspiracy. When Beirong's wolf flag came again, the proton who was scolded as a "softie" stood on the top of the city, his fingertips crossed the sand table: "Today, I will teach you what the bones of Dajing Erlang are."