The Ninth Prince transmigration into a useless trash, with his allowance withheld to the point he couldn't even afford a winter coat. A black stone dragged him into a mysterious demon prison holding tens of thousands of demons and monsters. I traded a bowl of virgin blood for a dual cultivation technique, cultivating true qi overnight. Forced into a martial arts competition for marriage at court, my three poems stunned the entire audience, and the princess insisted on marrying no one but me. But her sixty-thousand-pound drum-shaped golden mallet made my legs go weak. No matter, though—there are still a group of big shots in the demon prison waiting for me to give them fresh air. This world is about to change.