This novel centers on high-IQ battles of wits, psychological warfare, and life-or-death wagers, blending crime, the underworld, and clashes of human nature. No System, no supernatural powers! A genius con artist named Gou Lang, who calls himself a “professional gambler,” makes his living by challenging the underground world to gambling matches. He excels at using lies, psychological manipulation, and strategy to turn desperate situations around, facing formidable opponents in contests where the stakes are their lives. The story follows the legend of the “con artist” Gou Lang, gradually revealing the vast criminal network behind the underground gambling organization known as the Royal Court, as well as Gou Lang’s decades-long feuds with his archenemies.