When Prince Oama arrived in Mino Province, he divided his army into two groups which consisted of tens of thousands of soldiers; one was sent to Wa (Yamato Province) via Mt Daisen and the other was sent to Omi directly.
美濃国に入った大海人皇子は、7月2日に軍をそれぞれ数万の二手に分けて、一軍を伊勢国の大山越えで倭（大和国）へ、もう一軍を直接近江国に入らせることを命じた。