C1735 Strange Key

Looking at the box Bai Xiaohei took out, the Ice Emperor was also stunned. Previously, he didn't notice that there was actually a box under the table. However, this box was covered in dust and was placed under the table, how did Bai Xiaohei see it?

Bai Xiaohei had guessed what the Ice Emperor was thinking. He wiped away the dust on the box, then pointed at the lid and said to the Ice Emperor