Iron-Blooded Soldier Zhao Fan: The System Trips Me Up, but I Can Fight

The protagonist, Zhao Fan, transmigrates into the body of a low-ranking soldier in the State of Zhao. On his very first day, the Xiongnu attack the city, and he gets bound to a System that keeps giving him impossible challenges. Fortunately, he understands ancient military tactics. Together with his loyal deputy, Chen Tie, he uses gunpowder to defeat the enemy and launches a night raid on their supply station, defending Pingcheng step by step and rising from a common soldier to a commander who can stand on his own. More grueling battles and political intrigues await him.