 In spring and early summer 529, Liang troops under Chen pushed into Northern Wei territory.Not far away was a large Northern Wei army commanded by the general Yuan Tianmu (元天穆) the Prince of Shangdang.However, Yuan Tianmu did not consider Yuan Hao a threat, and he instead proceeded to attack another rebel leader, Xing Gao (邢杲), who had claimed the title of Prince of Han.