After the last arrows had been fired, the wall that had concealed the arrow holes suddenly split open down the middle like a door.
Listening to the arrow wall scrape against the floor as it opened, Su Jiu felt as though her ears were being tortured. Cultivators already had sharper hearing than ordinary people. If she had not feared missing some detail, she would have shut off her hearing long ago.
Su Jiu and Qiao Zirong walked toward the door together. The moment they stepped through, a vast expanse of yellow sand filled their vision.
"A desert?" Qiao Zirong asked quietly.
The corner of Su Jiu's mouth twitched. "How could there be a desert in Black Dragon Prison? It's a trapping array."
Su Jiu privately wondered whether Yun Huanling had rubbed off on this fellow.
Hearing that it was an illusion array, Qiao Zirong stared at the world of yellow sand stretching everywhere and was dumbfounded. He probed with his divine sense, only to discover that he could not detect its boundaries.
Su Jiu had clearly realized this as well. "It's stacked formation arts. If I'm not mistaken, it's a fourth-level stacked formation. A space formation and a Yellow Sand Trapping Array have been overlaid to create this. I'll work out the space formation, and you work out the Yellow Sand Trapping Array. Try to calculate the formation eye as quickly as possible."
Qiao Zirong looked blankly at Su Jiu.
Only when Su Jiu turned her head did she realize that the person beside her was not Yun Huanling. She pressed her lips together. What had come over her just now? One moment, she had still remembered that Qiao Zirong was beside her, and the next, she had unconsciously treated him as Yun Huanling.
Still, Su Jiu did not dwell