C772 Mystic Change(2)

"What's wrong?" Nangong Yu asked.

"Someone came here before. The damaged Yin Formation has been repaired!"

When he said this, even his voice was trembling.

"What?" Nangong Yu's heart was also beating wildly. No one in the world knew about the Yin Graveyard. It was an undiscovered danger zone. Since no one was there