Master Descends the Mountain: My Stunning Master Dotes on Me

[Urban + Invincible + Decisive and Ruthless + Power Fantasy] Three years ago, he offended a rich heir while saving a beauty and was forced to leave his hometown and flee far away. Three years later, after learning peerless medicine and martial arts from his beautiful master, he descends the mountain and returns to the city. Every one of his old enemies is in for it: if you make it to the end of the month, consider yourself lucky!