He forced the family members of Takatoki Hojo to commit suicide at Tosho-ji Temple and destroyed the Kamakura bakufu only fifteen days after he raised an army.
北条高時の一族を北条氏菩提寺の東勝寺で自害させ、挙兵からわずか15日で鎌倉幕府を滅亡に導く。