C817 Invitation from the Formation Master Guild!

"Roar!"

Above Xiao Changsheng's head, there was a lightning dragon's roar. The dragon's roar was deafening, causing both Bai Zixian and the Elder Ling to have no choice but to activate their spirit energy to block this soul-stirring power.

"Nine Heavenly Thunder Dragon Formation!" "How is this possible? He's only a newly advanced God King level array master