The nine sons took away the legitimate sons, and every step was stained with blood.
The Ninth Prince came from the dust thanks to Yuan. He had seen the dirtiest people's hearts and suffered the deepest betrayal, but he still wanted to keep his heart clean.
He doesn't fight for the throne, he only fights for justice; he doesn't fight for power, he just wants to make this world less painful than he has endured.
In the end, he won the world, but took off his dragon robe and went to a small town in the south to become a teacher.
Intention: Born in dust, how can we keep our hearts clean?