There was a crisis that had occurred whereby some Samurai forces from the Southern Court went into the Imperial Palace and took the three sacred treasures (,Kinketsu Disturbance) later the Muromachi bakufu suppressed the story, and this was a sign that real 'unity of the Southern and the Northern Court' had come about.
一時は宮中に侵入した南朝側の武士によって三種の神器を奪われる（禁闕の変）などの危機にもあったが室町幕府はこれを鎮圧、ここにおいて初めて真の「南北朝合一」が実現したのである。