 After Hulü's death, Lady Lu and Mu were described as being so powerful that they were involved in all key decisions whether in government or in the palace.Mu himself was described as exceedingly corrupt and wasteful in his lifestyle, although he was also praised for being kind and not malicious to others.By 573, he, Han Zhangluan, and Gao Anagong were known as the "Three Nobles," and were in control of government.