Hell and Heaven

Chen Li, the most humble servant disciple of the Demon Sect. Feed the monsters every day, clean the blood pool, and may be pushed to the altar at any time to become body refining materials. Until one day, he spent all his three years of savings and put the last spiritual stone into the body of the "monster that neither eats nor talks". In the darkness, a girl's voice came: "Hungry..." From then on, he got a mysterious system that can optimize the skills and deduce the practice. In the thin line between life and death, he will use this mysterious opportunity to embark on a path that defies heaven! Also known as "Three Years of Feeding Beasts, Better to Raise a System", "Magic Survival Manual: From Sweeping the Floor to Raising a System" and "My Warcraft Girlfriend"