However, when Tokimune died suddenly in 1284, TAIRA no Yoritsuna killed Yasumori in a sudden assault and exterminated the gokenin of the Yasumori faction in the following year of 1285 (the Shimotsuki Incident).
しかし、時宗が1284年に急死すると、翌1285年、平頼綱は泰盛を突如襲撃・殺害し、泰盛派の御家人らを討伐した（霜月騒動）。