Having also conquered the territories of local lords in Chikugo Province, where the domination by the Otomo clan had weakened as the result of the death of Dosetsu TACHIBANA, a powerful leader of the Otomo clan, the Shimazu clan was just about to establish its rule over the entire island of Kyushu.
さらに大友氏の重鎮立花道雪の死により大友氏の支配が緩んだ筑後国の諸国人衆も傘下に収め、九州統一を目前にしていた。