This helped the Soga clan which was gaining strong support from the Empress and the Prince and, following the decree made by the Emperor while still alive asking to respect Buddhism, the Soga clan and the allied forces attacked Moriya as ordered by the Empress of the former Emperor Bidatsu (the older sister of the Emperor Yomei and later the Empress Suiko).
これにより皇后や皇子を支持基盤にもつ蘇我氏が有利になり、また天皇が生前、「仏教を敬うように」といった詔があったこともあり、先代の敏達天皇の皇后（用明天皇の姉。後の推古天皇）の命により蘇我氏及び連合軍は物部守屋に攻め込んだ。