Based on the "multi-layered universe", a complete progression system is constructed from the mortal world → the immortal world → the spiritual world → the fairy world → the divine world:
-Mortal world: Mortal regimes such as the Dayin Dynasty have thin spiritual energy, which is where the protagonist originates;
- The world of cultivating immortals: There are many sects represented by Qingyun Sect, and their spiritual veins gather together to form the basic stage for cultivation;
- The spiritual world, the fairy world, and the divine world: are successively higher-order energy dimensions, with stricter laws, exponential improvement in the power system, and hidden ultimate secrets such as the "origin of purity" and "the shadow of chaos".
- Cultivation realm: Strictly follow the principle of "slow growth", starting from mortal → inducing qi → building foundation → golden elixir → Nascent Soul → transforming into a god (immortal world) → spirit emperor → spirit king (spiritual world) → immortal king → immortal emperor (immortal world) → god → god emperor (spiritual world). Each realm is divided into early/middle/post/peak periods. The protagonist's breakthrough needs to go through unique experiences such as "refining mixed spiritual energy" and "enlightenment of laws".
- Protagonist Kou Shen: turbid spiritual root + turbid body. On the surface, he is a "forbidden waste", but in fact he can swallow and transform the spiritual energy of all things (five elements, Yin evil spirits, death energy, etc.). He cultivates very slowly but has a solid foundation and unlimited potential. He is the embodiment of the "origin of chaos";
- The heroine Xu Lu: Fairy Spirit Root, a pure spiritual root that is rare to find in ten thousand years. It is in harmony with the spiritual energy of heaven and earth. Her cultivation speed is unparalleled. She and Kou Shen form a core bond of "purity and turbidity are opposite but complementary".