Immortals Can Still Cultivate Like This, Right?

Master: "The demons from outside the territory feed on our monks and are the old enemies of my Spiritual Root Continent!" Su Xun: "Great, I want to offer a sacrifice!" Master: "???" Su Xun: "If you eat one me, ten me's will grow in the demon's body!" … Many years later, the extraterrestrial demons who had been on the run for many years found the fairest court in the endless star sea and cried loudly: "I sue! They are demons!" Su Xun: Who in the audience is suing me? ! This book is also called: "Isn't it possible for immortals to cultivate like this?"