Chapter 2528: The Security Hall

igang shook his head. "I don't know!""This kind of pill can strengthen the body, prolong life, and I have personally tried it and the effect is indeed good. However, I sent my subordinates to study it...o longer visible, leaving only faint outlines!"Invisibility"Chen Ping looked at Guo Wei who was slowly disappearing, his brow furrowed slightly.Chen Ping hurriedly drew both palms towards the sky, a v...