Chapter 513: Refining Oneself

left his mouth, a dull boom suddenly echoed from within the whirlwind. The swirling wind violently shook, as if struck by a tremendous force, and several fissures appeared on its surface, releasing wi...and summoned the Flying Night Demon from the evil qi of the earth.The earth's demonic energy is churning.A demonic shadow, as if born from the netherworld, slowly emerged from the sinister energy of t...