모용수
However, Murong Ping and Empress Dowager Kezuhun soon engaged in two damaging decisions. Still resentful of Murong Chui (whose wife was her sister but whom he did not favor), Empress Dowager Kezuhun denied him and his soldiers rewards and in fact considered killing him, a decision that Murong Ping concurred in because he was also apprehensive of Murong Chui. Murong Chui, hearing the news, fled to Former Qin and became a general for Fu Jiān. They also refused to cede the Luoyang region to Former Qin, as previously promised. In anger, late in 369, Fu Jian sent a 60,000-men force, commanded by his prime minister Wang Meng, against Former Yan.