C1155 Defunct Array

After Tang Ao observed in place for a long time, he said with a solemn expression, "The formation here is a top-grade first-grade Immortal-Fallen Soul Formation. If it were not for the fact that this formation has failed, we would definitely not have been able to survive if we were to barge into it. " Having known Tang Ao for so long, Chu Xuehan had never seen Tang Ao's serious expression before