What is a nine-stream warlock?

Nine-level warlocks ... bad warlocks mean ... it's hard to understand ... Nine-level warlocks are generally derogatory, and stupid scholars' derogatory names for other industries (from the middle of Ming Dynasty to modern times) will be labeled as "inferior" to show contempt: inferior. Warlock ... The title of capable person in ancient times ... Skilled person ... It seems that it was not popular to say this at the end of the Han Dynasty ... and then it was changed to a person who did nothing but achieved something. ...