“What kind of sound is this?” Yu Yanluo exclaimed as her face turned extremely pale. She subconsciously moved closer to Zu An, as if only then could she feel a bit more at ease.

Zu An frowned. He had never heard such a sound before. It was practically a soul-shaking noise. He wasn’t even sure whether it was the roar of a beast, or something created by the wind blowing through such a massive cave. However, he replied, “This is your Yu clan’s cave; why are you asking me?”

Yu Yanluo was a bit embarrassed. After thinking for a bit, she said, “I do not know too much about this place, but from what I do know, this kind of thing should not have happened before.”

“Then we have to be careful.” Zu An’s expression turned strange as he spoke. “In my opinion, something isn’t right. I have strength comparable to a master rank now, and you’re the infamous monster Medusa. If there really is something strange, it should be scared of us.”

“What you say makes sense,”...