C33 Secret chamber of the eight trigrams and nine palaces

There was no door standing at the entrance of the room. Even though the room was spacious, one could vaguely see the dim yellow stone wall in the distance under the illumination of the green light.

The three of them slowly walked inside. I raised my head to look up, and saw that the white dots on the stars seemed to be arranged in a regular pattern. Every time I took a step forward