The most mysterious and important place in the entire Haijing Security Bureau building was the underground vault that stored a large number of Divine taboo items and divine graces. Xia Hongyao had always wanted to take a look first, but unfortunately, until now, she had not been able to do so. "Hmm!"

Lin Baici nodded.

"Is it true that there are no guards down there, and Divine taboo items are used to guard the door?" Xia Hongyao blinked her big eyes, waiting for an explanation.

"Hmm!"