C372 Demonic Sound Valley

After being excited for a while, the two of them finally calmed down. Situ Ning curiously asked: "Ning Xiao, how did you find out that there is a runic door here?"

Ning Xiao reached out his hand to touch the black stone wall in front of him and said with a smile, "It could be considered a fluke. Didn't I smash this stone wall with a stick just now? When the staff hit the stone wall