Thunder City, the retreat of thunder, a fiery temperature envelops the closed chamber, reflecting it like a furnace.A faint white smoke rose from a pile of reddish liquid material, and finally lingered within the chamber, making it seem as if the entire chamber was covered in mist.Not far from the material where the smoke rose, Thunder stared at the pale red liquid that slowly swirled in a cloud of soul fire with a solemn face.The majestic soul power controls the soul fire to refine the essence of these materials bit by bit, and then gradually forms a bead-shaped projectile prototype tdcssotchaterbarotgt,,; mobile phone reading,