C517 Repairing the Formation

All of a sudden, the jade plate vibrated intensely, shocking Liu Fei. He suddenly felt that his mind power could no longer control it. Could it be that his mind power was too low to reach that level? What should he do? It would be great if there was an expert guiding him at the side, but there was only Liu Fei in this place. He didn't want to give up this opportunity. Therefore