Introduction: In the gloomy underground city, there are countless ancient ruins and treasures buried here. Strange, aberrant, cursed thing… Abyss, catacombs, ancient gods, mythological races… Mechanic, curse seal planting, giant city black tower… All kinds of strange alchemy, add a spoonful of steampunk, and two spoonfuls of mysterious and extraordinary, mixing up a colorful fantasy world. Me, the puppet alchemist. One person is the legion!...