C1583 Open stone door

Ling Kexin turned his head and looked at the stone wall behind him for a while, but was still unable to find a reason, and said: "Besides the tunnel that we entered, there isn't much of a difference between the two sides of the large stone door!"

"There really isn't much of a difference!"

Tian Jian also looked at the stone wall behind him, and felt that it was similar to his