C1475 Difficult Treatment

In the beginning, Wang Xiao didn't seem to be having a hard time improving his Genuine Qi, but as time passed, it became harder and harder for him. Although his Genuine Qi was very powerful, it was limited, and he wasn't able to use it without limit. However, he was a bit tired, but he still persisted. He didn't want to give up.

Moreover, he had not reached the end of the world