C724 A clue to going back

Yun Zihuang frowned. When she had just teleported to this place, she was indeed unable to open the empty chamber, and she was unable to connect to it. It seemed that wanting to understand the matters before and after teleportation through the empty chamber was her imagination.

"This is the place Yun Zihuang died from, the place I teleported to. This rock is the main culprit behind his death