Zuo Ci was an alchemist in the Eastern Han Dynasty. In Emei Mountain, I got the Book of Armor Evasion and learned magic. Known as Mr. Black Point.

After eating the satsuma mandarin given to Cao Cao by Sun Quan, he said to Cao Cao, who later became Wang Wei, "Why not let this be with Liu Bei?" Even though he was tortured, he still slept soundly and laughed at Cao Cao with strange words.

Not only escaped the capture of angry Cao Cao, but also made Cao Cao suffer from illness; Together with Hua Tuo, Shi Gan, Li Jian and others, he was recruited by Cao Cao, who loves health preservation.