I'm an Undercover Ancestor in the Devil's Path

Li Zhengdao, a good man from the ninth generation, acted bravely when he saw justice. After his death, he was given special care by the underworld and received the Demon Ancestor System. In the other world, he shuttled back and forth between the Taoist sect and the demonic way. On the surface, he is the Holy Son of Xuan Dao Sect, the hope of decency. However, behind the scenes, he is the ancestor of countless demonic sects. Practicing missionary work, unifying the demonic path, and going further and further on the road of being an undercover ancestor... How can a novice cultivator without advanced cultivation skills recruit these demonic sects with profound knowledge into his ranks? Head of the Nether Sect: Ancestor, junior brother, he has rebelled again. Li Zhengdao: Don't panic, as long as you are a good believer of mine, your ancestor will help you solve it right away. Leader of the Blood Demon Tradition: Ancestor, there are not enough spiritual crystals in the mine, and those disciples who cannot practice cannot control themselves and drink blood. Li Zhengdao: Don't panic, as long as you do good deeds, our ancestors will help you find a new mine. Head of the Zhengxian Palace: Senior, recently there have been frequent incidents of sect disciples going crazy. Li Zhengdao: Give you a copy of the Tao Te Ching, which is enough to suppress all evils. ... Until one day, Li Zhengdao finally met the Daluo-level demon. Yin Yang Rakshasa God: I heard that you were reincarnated by me and are my Yang body? Li Zhengdao:... "No, just listen to my excuses." ... Countless years later, Li Zhengdao looked helplessly at his statue standing on the endless land. Hey, actually he just wanted to be a good person at first. ... The introduction is weak, let's come in and squirt together