chapter 284 trade

Refining the five elements is a difficult and huge task.

Just like water dripping through a stone, I don't know how many times it will take for the five elements of true Qi absorbed from the outside world to be transformed into the innate Qi.

No matter how pure the five elements essence absorbed from the outside world is, it still contains impurities and has been polluted. It must be polished by one's own qi and blood, and the soul must be integrated to polish the traces...