Xiao Mochen transmigrates into a fused martial arts universe where legends from Jin Yong, Gu Long, and other wuxia epics coexist. Stranded on Peach Blossom Island with amnesia, he feigns memory loss to survive while secretly yearning to become a supreme martial artist. His fate changes when he activates the 'Bragging System,' a unique cheat that converts the boasts of others into tangible power for him.

When the eccentric master Huang Yaoshi exaggerates his own past glory to impress his disciples, Xiao Mochen instantly absorbs these claims as god-level martial talent. As heavenly phenomena erupt to confirm his monstrous aptitude, Huang Yaoshi eagerly accepts him as a true disciple, dismissing his previous students. Now, surrounded by iconic figures and hidden dangers, Xiao Mochen must navigate this vast world, leveraging every boast he hears to rapidly ascend from a forgotten castaway to the invincible peak of the martial path.