Qi Refining Duo

A son of a royal noble lived a carefree life, but his country faced many dangers, internal and external troubles, and how to make the country stronger became his ideal. One is a poor commoner. Although he has a humble status, he does not bow to fate. He becomes stronger step by step, avenges his father, and vows to seize fate by the throat. What will happen when they have the power of refining to meet each other? Will they become brothers or enemies? What changes will happen to the whole world because of them, and which winner will be able to dominate the world?