Chapter 513: Refining Oneself

lent power of thunder. Once released, it would definitely cause terrifying destruction. What's even more frightening is that there are so many Fei Jiao Yu Long here!Qin Sang secretly rejoiced, Yun You...even more was that each failure would waste a large amount of precious spiritual materials.Saddened by his recent misfortunes, Qin Sang knew he couldn't continue acting so recklessly. He couldn't squa...