True Xuan system.

Gas refining.

Levels 1 to 3: Nourish Qi!

Orders 4 to 6: Qi Refining!

Orders 7 to 9: Transform into gas!

Liangang!

Alchemy!

Refining the gods!

Refining Void!

Together!

......

Federal system.

Psychiatric beings.

There are nine levels in total.

Spirit level 7, physical skill level 4, can assess mecha knights.

Break through the ninth level to become a spiritual master.

The Spirit Master has a certain chance of being recognized by the stars and becoming a star refiner.

......

Since there is no way to cultivate spiritual energy in the world, the highest level of physical art is level five.

......

To be continued.