C1865 Step into the Formation

A few minutes later, the heavy vault door slowly opened and an empty vault appeared in front of everyone's eyes. Everyone curiously went to the door to take a look and could not help but take in a breath of cold air.

Chen Biyao and Avril were stupefied. After some effort, they opened the vault, only to find that it was completely empty. It was as clean as if it had just been cleaned