After Coming Down the Mountain, I Return to the City and Become Invincible

[Invincible power fantasy + Master returns from the mountains + Ruthless + Miracle doctor + Revenge] Satisfying, the kind that's unbelievably satisfying. Ten years ago, a fire destroyed Ye Nan's family and left him with nothing. By chance, he inherited the teachings of an old man and embarked on the path of cultivation. Ten years later, when his childhood sweetheart was forced into marriage, Ye Nan descended from the mountains with heaven-defying cultivation, only to discover that he was already invincible in the world. What's more, he found that his master, senior brothers, and senior sisters were all invincible too!!!