Chapter 782 Unlocking the Mystery of the Passage

"What do you mean?" Little Ai, who was following behind Du Fei, asked upon hearing his comment. After pondering for a moment, Du Fei hesitantly said, "Just now, I used my mental strength to search around and found many people. However, in just a short span of time, their numbers significantly diminished. Furthermore, these people didn't seem to have died; instead, it's as if they vanished into thin air."