After Building My Foundation, I Became Earth's Ancestor

Zhao Jian, a young man from Earth, accidentally transmigrated to another world. After years of arduous cultivation, he finally reached Foundation Establishment, only to return to his homeland through a twist of fate. By then, Earth had entered an era of spiritual qi revival. Ferocious beasts ran rampant, strange creatures were everywhere, and human civilization stood on the brink of catastrophe. With no way out, humanity could only struggle to survive through technology, without a single method of immortal cultivation. Carrying techniques from another world, the protagonist returns to protect his home with the power of cultivation. Along the way, he also uncovers a shocking secret about the disappearance of Earth’s ancient cultivators.