Chapter 513: Refining Oneself

tion lightning!'Boom!'Two bolts of lightning struck each other, with a deafening roar.Thunder clashed and devoured each other, annihilating in a flash of silver.Suddenly, Qin Sang's face changed drast..., recalling the description in the martial art manual, "At my current level, the celestial demon's form allows me to increase my strength after activating the celestial demon transformation. The effec...