C145 Worryfree Lamp Red Firefly

Without waiting for Qu Ling to ask, Xiao Jingyue explained to her, "It might be related to the ground."

Eighth Prince, who was walking in front of the two of them, nodded, "According to our observations, that is indeed the case. If there were people standing on the empty ground, the stone door would close. Once someone left, the stone door would immediately open. When that door opens