(永安; present-day Fengjie County, Chongqing) with only 2,000 troops. When news of the fall of Chengdu reached Yong'an, there was much unrest and panic among the people. Some of the officials at Yong'an even abandoned their posts and fled. Luo Xian managed to restore order and stability in Yong'an after executing one of the men who spread the news that Chengdu had fallen. After receiving news of Liu Shan's surrender, Luo Xian gathered all his troops and mourned the end of Shu for three days. Defence of Yong'an In the meantime, when Shu's ally state Wu learnt that Shu had fallen to Wei, they prepared to invade and capture Badong Commandery under the pretext of sending reinforcements to Shu. Upon receiving news of the impending Wu invasion, Luo Xian told his men: "Our dynasty has collapsed. Wu was supposed to be our ally but now, instead of helping us, they break our alliance and seek to seize our territories. As Shu has fallen, Wu won't last long too. Who would want to surrender to Wu?" He then rallied his troops, reminded them of their allegiance to Shu, and strengthened their defences. In March 264, the Wei general Zhong Hui, who took charge of Chengdu following Liu Shan's surrender, started a rebellion against the Wei regent Sima Zhao. However, the rebellion failed and Zhong Hui was killed by his officers who refused to join him. Upon learning of Zhong Hui's death, the Wu emperor Sun Xiu thought that no one was in charge of Shu, so he sent his troops to seize control of the Shu territories. However, the Wu forces led by Bu Xie encountered strong resistance from Luo Xian and his men at Badong Commandery and could not advance further west into the heartland of Shu. As the Wu forces rained arrows on Luo Xian's position along the Yangtze, Luo Xian feared that he might not be able to hold out for long so he ordered his subordinate Yang Zong (楊宗) to break out of the siege and head north to seek help from the Wei general Chen Qian. He also surrendered his tallies and sent his son as a hostage to the Wei regent Sima Zhao to prove his sincerity in seeking help from Wei to counter the Wu invasion. When the Wu forces under Bu Xie's command attacked Yong'an, Luo Xian led his men out of the