Stupid Brother, Feel the Pain

The protagonist was a modern migrant worker in his previous life. Due to an accident, he traveled to a fantasy land where martial arts were respected and became the eldest son of Xiao, a martial arts family. With the mysterious Heavenly Dao system, you can spy on other people's luck. As long as you give your own skills, cultivation, blood, etc. To the lucky person, you can get higher-level rewards. However, Xiao Xuance, the younger brother of the family, was born with great luck and was supposed to be the family's hope for the future, but due to limitations in his martial arts. For the sake of system rewards, Xiao Xuanyuan took the initiative to give up all his opportunities, skills, and bloodline, and even chose to give in during the competition for the position of Immortal Emperor. However, as his practice deepened, he gradually discovered the true purpose of the Tiandao system - to cultivate more children of destiny to fight against the invasion of gods and demons from outside the territory. In the end, he was no longer limited to his family, but moved among the major forces, secretly supporting the Son of Destiny and becoming the Lord of the Immortal Realm. When a group of sons of destiny are fighting hard against the gods and demons outside the territory, the protagonist appears and backhands the world.