However, he was defeated by Ryogen, who was younger than him by 25 years, when the two monks competed with each other for the position of Tendai Zasu (Head Priest of Enryaku-ji Temple) and due to the subsequent shock, he fell ill and, according to the records of Sogo, died on February 25, 967 at the age of 81.
ところが、天台座主の地位を25歳年下の良源と争うが敗れ、その衝撃で病に倒れて僧綱の記録によれば康保4年1月9日に81歳で没したとされている。