 He thus received increasing authorities and honors, and was by 526 the Duke of Liang Commandery.That year, when he approached the government-held Si Province (肆州, roughly modern Xinzhou, Shanxi), the governor of Si Province, Wei Qingbin (尉慶賓) became apprehensive of his intentions and refused to let him enter.This drew Erzhu's ire, and he attacked Wei, seizing him and commissioning his uncle Erzhu Yusheng (爾朱羽生) as governor without imperial permission.