Generals Feng and Gao led fifty thousand soldiers in a desperate defense of Boling, fighting An Lushan's army of one hundred and fifty thousand for three days and three nights without a decisive victor.
That they managed to hold out for three days despite Boling's severe shortage of rations was not due to any brilliant command by Feng and Gao.
Rather, it was the lesson An Lushan had learned after his defeat by Si Ren in Luoyang.
Chapter 776