Chapter 388: Searching Alone

Chen Chen's expression changed when he heard this.

In the upper realm, disappearance was basically related to death. As long as a cultivator above the Void Refinement realm did not die, it was absolutely impossible for him to go missing.

When he thought of how his grandmaster was still chatting and laughing with him a month ago, Chen Chen felt as if his heart had been stabbed.

In the upper realm, his grandmaster was the only person he was truly familiar with, and also one of the few people he could trust.

"Does the sect master know about this?"

After a long while, Chen Chen asked in a hoarse voice.