C163 Pentachromatic Powder

At first glance, one could see that black gaseous masses were floating out from time to time.

Xian'er's voice sounded out in Zheng Kai's head: "Master, this is the spirit formation crevice."

Zheng Kai and the rest did not rashly approach the empty hole.

He asked Xian'er, "Is there anything that can repair the cracks?"

"Yes, Rainbow Stone