Question: who is wei wuxian shidi?
Answer: Wei Ying (魏婴, Wèi Yīng), courtesy name Wei Wuxian (魏无羡, Wèi Wúxiàn) was the founder of Demonic Cultivation and a former disciple of the Yunmeng Jiang Sect. Known as the Yiling Patriarch (夷陵老祖, Yílíng Lǎozǔ), Wei Wuxian died in the first siege of the Burial Mounds thirteen years prior to the start of the Novel.