Doomsday: I Am the Flower Monk

Apocalypse + Zombies + Cultivation + Monk + Superpowers. A zombie virus sweeps across the globe, turning most of humanity into zombies. Faced with hordes of the undead, humanity uses the last of its technological might to build the 24 Cities of the Apocalypse, each guarded by a top-tier superpowered individual. Who could have known that a monk would appear out of nowhere and shatter the balance between humans and zombies?