C362 The Mystery of Three Grounds

"What is that place?" Why does it look so much like a big piece of crystal?! " After a long time, there were still no signs of movement from Thirteenth Elder. The two of them walked around the hut, and before long, Sima Yi saw a crystal-like hole, and she couldn't help but point at it as she praised Lin Bai.

Lin Bai looked over there and chuckled