Chapter 3178

Under the black cloth, there was a small stone box. The stone material was pitch-black and looked ordinary. It was high all around with a lid. A key lay quietly in the stone box. Although the key was a little old, there was no rust on it. The materials were mainly made of stones. Some exquisite patterns were carved on it. The main body was about ten centimeters long and four or five centimeters wide. It could be counted as a giant key. Seeing it, Ningyue and the others couldn't help but sigh in admiration at the exquisite key, but they were also extremely confused. What made Village Chief and a group of elders' expressions change was actually just a single key! Thinking of this, everyone couldn't help but look at Wang Simin strangely, and then at Village Chief and others strangely. They could not figure out the situation. The old village chief nodded at the Thunder God, indicating for him to hand over the box. The Thunder God hesitated for a moment before finally holding the ston