The Yin and Yang Sea!

Ling Lan was waiting for her team members to gather up, not just blindly waiting. She took out a long-range beam rifle, aimed it at the ground below her and fired without a specific purpose.

A beam of light flashed across the night sky, descending from the sky.

"Bang." A muffled sound followed. The beam that had hit the ground did not make a loud sound. That bright light of the beam had vanished instantly, without a trace, like it had been swallowed up by something.

"This feeling. There isn't any ground below us.." Ling Lan frowned. Her expression became grave and she asked Little Four, "Little Four, regarding that shot just now, did you find out anything from it?"