oral gagging and bondage (idiom); fig. pressure to stop a person's mouth from shutting and bind him

Learn all sorts of superhuman abilities, do whatever you want or dispense justice? Both! Li Yun learned the Maoshan binding spell, but did not use in the righteousness of the road, at first thought of revenge at the same time. In the ghost city of Kyoto, Li Yun inadvertently obtained the long-lost ancient method of alchemy, but only used to refine into a hundred adhesive glue, to make glue and tape, sealing the boss's mouth. The Imperial Spirit Fairy of the Cultivation World had lost her forbidden meditation bead, but it was used by this bastard Li Yun to refine it into a mouth ball. A generation of urban legend Li Yun's otherworldly saga begins...