The advice of FUJIWARA no Yukinari that the enthronement of Imperial Prince Atsuyasu, to whom blood of the Takashina clan was flown, would cause the anger of Ise-Jingu Shrine, was strong trigger for it.
藤原行成が高階氏の血を引く敦康親王の即位は、伊勢神宮の怒りを買うと進言したことが大きな要因となった。