C466

I urged Lü Liansheng to hurry up, but he was even more anxious than I was. In a moment of desperation, he knocked on the compass, but what he did not expect was that with the tap of his hand on the compass, a rumbling sound came in again, and we were all frightened by the sound, and did not know which door was going to open.

Lu Liansheng stood there with the compass in his hand