Black Glasses let out a breath. "It's actually a Boomerang."
Xie Yuchen rolled his eyes. "Be careful." With that, he looked over at Baili Xi, seeing her offer a faint smile before falling silent.
Black Glasses smiled and nodded, walking up to the stone door. He shoved and pulled at it with all his might, but the stone door stood completely unmoved. "Well, well, I'm afraid there's another mechanism."
Chapter 275