Worldview: The universe is divided into several large worlds, which are divided into the human world, the demon world, the demon world, the ghost world, the spirit world, and the heavenly world that only the powerful can enter and live in.

The protagonist Lu Liang is initially in the chaos world, and then he will experience other worlds.

Cultivating the Immortal Realm: Taking the human race as an example, the first stage: refining qi - building a foundation - golden pill - infant transformation - returning to the void.

The second stage: Heavenly Immortal - Xuan Immortal - Da Luo Jin Immortal.

The third stage: Dao Venerable - Heavenly Venerable - Supreme.

The fourth stage: Dao Ancestor - Divine Ancestor - Holy Ancestor.

The fifth stage: the Great Emperor - the Immortal Emperor - the Divine Emperor.

Each realm is divided into four stages: the early stage, the middle stage, the late stage, and the Great Perfection.

Cultivating immortal physique: the spiritual root is the main, which is divided into ordinary spiritual roots, alien spiritual roots, multi-attribute spiritual roots, etc., and the ones that are more superior than the spiritual roots are special physiques, which are also divided into ordinary special physiques, divine bodies, and holy bodies.