I'm so Strong, It Must Be You Who Practiced the Wrong Technique

What? "Tianshan Plum Blossom Hand" can only fold plum blossoms? What? "The Great Merciful Hand" beats people back to health? What? "Sunflower Collection" can only be practiced backwards? ... Li Chengyuan, who traveled to ancient times, shouted to the sky. "Damn it, what kind of broken system is this!" Are all these magical skills not serious? ... Many years later, people kept silent when talking about Li Chengyuan, for fear that the man known as the Demon had the means to kill people from a distance. Faced with this rumor, Li Chengyuan said doubtfully: "A red-pink tent, with a green face and fangs, and a hungry ghost in his appearance. Why did the tent ghost become a rogue ghost?"