Fantasy: Reborn as a Villain, the Demon Ancestor Helped Me Become the Demon King

[My name is the Big Devil System has been activated, please host to take revenge on all enemies] Chen Jue woke up and was reborn in the world of immortality. After digesting the memory of the original host, he discovered that he was originally a disciple of a famous and upright family. However, he died of hatred because he was blamed for activating the formation to save people. Chen Jue decided to help the original host take revenge on those sanctimonious guys who claimed to be famous and upright. Resolutely join the magic path. Eighteen years later, Chen Jue activated the Demon King System in a competition where he decided to attack the Central Plains Immortal Family. [Congratulations to the host for being cursed by the twelve ancient demon ancestors of the Demon Realm and gaining the corresponding abilities. Ability 1: Maggots split, spiritual roots expand without limit, endless~ Ability 2: Gluttonous greed, swallowing spiritual energy, evil energy, demonic energy, and even all things in the world Ability 3: The evil dragon roars, calling on all creatures in the demonic realm to be used for his own purposes. ...] Chen Jue felt the curse of the Demon Ancestor and smiled: "My revenge has begun!"