Gao not making any efforts to dislodge Huang, either, Emperor Xizong put Wang Duo in overall command of the effort against Huang again. Destruction of Huang Chao and return to Chang'an As the Tang and Huang Chao's Qi forces battled around Chang'an, the rest of the Tang realm, while mostly still ostensibly loyal to Emperor Xizong and obeying his edicts issued from Chengdu, began to break down further in its governmental/command structure. For example, Gao Pian's Huainan Circuit, regarded as one of the riches of the Tang realm, fell into years of internecine warfare (which included Gao's death at the hands of Qin Yan) with Yang Xingmi eventually emerging victorious but with the circuit laid waste. Meanwhile, Yang Fuguang enlisted Li Keyong, who had previously fled to the Dada tribes, to return to Tang realm to help battle Qi, offering to pardon him. Li Keyong did so in 882, and repeatedly defeated Qi forces. In spring 883, Huang abandoned Chang'an and fled back east, allowing Tang forces to recapture Chang'an. Huang's forces then were continued to be defeated by Tang generals Li Keyong, Zhu Quanzhong, and Shi Pu, eventually falling apart. In fall 884, Huang's nephew Lin Yan () killed Huang, ending Huang's Qi state. Emperor Xizong did not return to Chang'an, immediately, apparently fearing Qin Zongquan—formerly a Tang military governor of Fengguo Circuit (奉國, headquartered in modern Zhumadian, Henan) but who had turned against Tang and was pillaging the modern Henan region with his power base centered at Fengguo's capital Cai Prefecture. Qin, indeed, would subsequently declare himself emperor and try to expand the extent of his control, causing him to battle with Zhu and other Tang generals. Meanwhile, the breakdown of the Tang realm continued, with Tang military governors battling each other for supremacy, and one of the key rivalries that developed was that between Zhu (who was made the military governor of Xuanwu Circuit) and Li Keyong (who was made the military governor of Hedong Circuit (河東, headquartered in modern Taiyuan, Shanxi), which began over a failed attempt by Zhu to assassinate Li Keyong. Emperor Xizong did return to Chang'an in spring 885, some two years after Tang forces recaptured the capital. Second flight from Chang'an and final days Soon after Emperor Xizong's return to Chang'an, however, a serious dispute developed between Tian Lingzi, who was still largely in control of the imperial court, and Wang Chongrong,