They faced even more difficulties with the rebellion of Tamekiyo OKI, the main force of the Mori family returned from battles in Iyo Province and northern part of Kyushu, while a large army of 13,000 including Terumoto MORI, Motoharu KIKKAWA and Takakage KOBAYAKAWA left Iwami Province for Izumo Province.
隠岐為清の反乱等も重なり手をこまねいていた所へ、伊予国・北部九州へ出兵していた毛利家主力が戻り、毛利輝元・吉川元春・小早川隆景以下、13000の大軍は石見国から出雲国を目指した。