However, Emperor Wu's death in 578 doomed the state, as his son Emperor Xuan was an arbitrary and violent ruler whose unorthodox behavior greatly weakened the state.
Ipak, Wuova smrt 578. godine je donijela propast državi jer je njegov sin, car Xuan, bio svojeglav i okrutan vladar, čije je neuobičajeno ponašanje uzrokovalo jako slabljenje države.