 He then contributed much to the rebuilding of the Northern Wei state, which had been rendered fractured by agrarian rebellions during Emperor Xiaoming's reign.However, in 530, Emperor Xiaozhuang, believing that Erzhu would eventually usurp the throne, tricked Erzhu into the palace and ambushed him.Subsequently, however, Erzhu's clan members, led by his cousin Erzhu Shilong and nephew Erzhu Zhao, defeated and killed Emperor Xiaozhuang.