Being re-birthed as a cell ( biological cell ) , Han Dong ( mc ) utilized the power of the Prison code ( his cheat ) and came into a parallel world where the Ancient Ones have awakened . A steam powered civilization, horrifying subspaces, the Ancient King of the Eternal Night and strange monsters lurking outside the city. The door of Destiny has been opened - Crusaders, Library, Control, Machinery and Mysticism would become the new growth system for human development .