Yan Sanying transmigrated to the War of Resistance era and became a battalion commander in the Eighth Route Army. As he developed his forces independently, he kept killing Japanese soldiers, puppet troops, and bandits while recruiting more soldiers. His unit grew rapidly, reaching twenty thousand men before long. One day, the regiment commander came by and heard Yan Sanying say his battalion had twenty thousand soldiers. He was stunned. “What is going on? Has he become a division commander?”