However, the continued deaths of the Miyoshi clan such as Kazumasa and Yoshitaka accelerated their power over the Shikoku region losing substance, which eventually led to the decline of the military force of the Miyoshi's army.
ところが一存・義賢をはじめとする一族の死が相次いで四国支配の空洞化が進み、それが三好軍の軍事力衰退にまでつながった。