Yuan Qi, the foundation of all things, the Qi of creation, is the innate Qi. Yuan Qi is the basic substance that unites all living things with heaven and earth. When gathered, life will occur, and when dispersed, death will occur.
The reason why mortals are mortal is actually that they cannot absorb the acquired vitality exhaled by heaven and earth. As the only demon descendant walking in the world, what should he do if he is rejected by his vitality?