In 1340, Doyo and his eldest son Hidetsuna SASAKI got angry about an incident where their subjects were beat up by soldier priests of the Imperial Court of Myohoin, who was the youngest brother of Emperor Kogen, and set fire to the Imperial Court to burn down Kennin-ji Temple.
興国元年/暦応3年（1340年）、道誉と長男の佐々木秀綱は、家臣が光厳天皇の弟である妙法院の御所の僧兵に殴打された事を怒り、御所に火をかけ建仁寺を延焼させる。