However, in September of 1458, he was once again attacked by surviving retainers of the Akamatsu clan such as Toyotomo KODERA and was seriously injured; it is said that while he was escaping under the guard of Moritaka YOKOYA, who was the head of the Nonagase clan, he passed away on October 25, 1457 at Kofuku-ji Temple of Kaminoyamamura in Muro District, Kii Province (present-day Kumano City in Mie Prefecture).
併し長禄2年8月、再び赤松氏の遺臣である小寺豊職らの襲撃を受け重傷を負い、熊野八庄の野長瀬庄司である横矢盛高に守護されて落ち延びる途中、同年12月20日、紀伊国牟婁郡神ノ山村光福寺(現三重県熊野市)にて崩御したと言う。