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In 234, when Zhuge Liang, the Imperial Chancellor of Shu, died, Liu Shan appointed Wu Yi as General of Chariots and Cavalry (車騎將軍), granted him imperial authority, and ordered him to oversee military affairs in Hanzhong Commandery. Liu Shan also appointed Wu Yi as the nominal Inspector (刺史) of Yong Province (because Yong Province was not under Shu control), in addition to promoting him to a county marquis under the title "Marquis of Jiyang" (濟陽侯). Wu Yi died in 237.