 Zhuge Liang moved towards the Wuzhang Plains and prepared to cross to the north side of the Wei River.Sima Yi sent Zhou Dang () into position at Yangsui (陽遂; the area north of the Wei River in present-day Mei and Fufeng counties, Shaanxi) and to lure Zhuge Liang to attack him.Zhuge Liang did not mobilise his troops for several days.