Chapter 2534: The Alien Races Attack

"Boom!" A deafening explosion suddenly erupted. The earth shuddered violently, and Flame Heavenly Venerable and the others, who had been absorbing spiritual energy inside the city, stopped at once. "What happened?" Flame Heavenly Venerable and the others exchanged uneasy glances. Titus Xiao said nothing. He quickly sensed the situation outside, and his expression changed immediately. Countless troops from the alien races had surrounded the First City. At the head of the alien army stood Hongmeng...