When the world thought he was a stupid prince, they didn't know that he kept everything these people did to him in his heart just to wait for an opportunity for revenge.
From the moment the memory of the Martial Saint in his previous life awakened, he used his extremely dirty-looking hands to hold coal and draw a picture of Nine Lights Leaving the Fire and Burning the Sky on the wall. This stupid human body is the best disguise for the awakening of the Martial Saint's memory.
After that, the cautious trash who lives like a dog is using their familiar crazy posture to rewrite the life and death book of the dynasty bit by bit.