Along the middle reaches of the Ningyuan River, the troops under Huang Degong’s command were feigning a river crossing.
Seeing Bolo leading his Eight Banners cavalry rushing toward them, they immediately began a calm and orderly retreat. The rear guard became the vanguard, and the vanguard became the rear guard. As they retreated, they constantly lobbed hand grenades behind them to halt the advance of the Eight Banners cavalry.
Because only a small force had crossed to the other bank, their retreat was orderly, and the grenades successfully held the enemy at bay. When Bolo arrived with his Eight Banners soldiers, not only did they gain nothing, but several of his men were wounded by the exploding grenades.
Chapter 778