After that, he joined forces with Hideyoshi TOYOTOMI, who had completed the 'Chugoku Ogaeshi' (the term refers to Hideyoshi's reaction to the Honnoji Incident, in which he rushed back to Yamasaki, even though he had been fighting with the Mori clan in Bichu, when he learned the news) in Tomita, Settsu Province (Takatsuki City), and fought in the battle of Yamasaki as a nominal supreme commander, defeating Mitsuhide AKECHI.
その後、摂津国富田(高槻市)で「中国大返し」後の豊臣秀吉軍に合流、名目上の総大将として山崎の戦いに参戦し、仇である明智光秀を撃破した。