My Apprentice Is Really a Good Student, Not a Big Devil.

[Villain + system + entry + group portrait (no stallion, no harem)] Feng Mo is in a fantasy world and awakens the system. Spend life energy to infuse martial arts, and you can perform endless deductions. But how much life does a mere mortal have? Fortunately, life can be deprived of life by killing demons. Feng Mo: I do everything myself, my style is not high enough! System: Cultivate demon disciples to do the work for you. Ding, successfully recruited a disciple and obtained the principal's entry. [The five elements are not restricted: jumping out of the three realms and not in the five elements. A few years later, all the demon kings were trembling. The Tenten-Swallowing Dog King: Spare your life, Immortal! Prison King: Three great saints, please accept your magical powers~ Zihui Palace. Ye Chen: I am the son of destiny, why can't I defeat those three people? Chu Feng: My parents are two kings. What are the backgrounds of those three people? Ye Chen: I would like to ask the master to sacrifice the sky-gazing mirror. Venerable Xuanqing: This is impossible! No such person found!