Luo Shixin, Pei Hangyan, Guang Shen and other generals led 500 hussars to attack the villages and towns around Guocheng, not only to kill but also to burn and rob the Koguryo people. The biggest blow to Yang You is to cause panic in Koguryo! And this means is the most effective one.
Luo Shixin, Pei Hangyan, Guang Shen and others were ordered to bring enough dry food