He enhanced the force of Seiseifu fortress based in Waifu, Higo province (Kikuchi City, Kumamoto Prefecture), and achieved the heyday of the Southern Court in the Kyushu region.
肥後国隈府（熊本県菊池市）を拠点に征西府の勢力を広げ、九州における南朝方の全盛期を築いた。