"What did you see? A moving hat in this core room? Were you seeing things?" questioned Zhang Bao'er doubtfully.

"I absolutely saw it. I'm going to take a look now," said Old Du.

"Old Du, don't move rashly. We still don't know this place well. Wait for us before moving," I tried stopping Old Du.

However, Old Du stopped replying through the communicator. I started feeling nervous.

"Bao'er, Anxashe, head toward Old Du immediately," I ordered.

I also rushed toward Old Du. Following my system's guidance, it did not take me long to reach Old Du's position. At the same time, Zhang Bao'er and Anxashe arrived as well. Before me, Old Du was standing with his back to me. He stood motionless, and beside his right foot was a hat. However, it wasn't actually moving.

"Old Du, what's wrong with you?" asked Zhang Bao'er before stepping forward.

I hurriedly stopped him with...