 Subsequently, with Tian in desperate straits, Zhu and Wang Wujun advanced south and dealt a severe blow to the imperial forces, forcing them to lift the siege on Weibo's capital Wei Prefecture ().Meanwhile, the imperial general Li Sheng took this opportunity to attack north and joined forces with Zhang, forcing Wang Shizhen, who was then sieging Kang at Zhao Prefecture, to lift the siege on Zhao Prefecture and withdraw back to Heng Prefecture.Meanwhile, in the aftermaths of the imperial forces' defeat, Tian was grateful to Zhu, and offered to subjugate himself and Wang Wujun to Zhu — in effect, offering the emperor title to Zhu.