 By 532, Gao had defeated the Erzhus and seized much of power, deposing Emperor Jiemin and making Emperor Xiaowu emperor instead.When Gao subsequently tried to intimidate Heba into giving up his territory and reporting to Luoyang, but under the advice of Xue Xiaotong (薛孝通), Heba refused.He made Yuwen his lieutenant, and consulted him on most important matters.