As for why Huo Yuhao was able to judge so quickly—based merely on the fact that the two looked unfamiliar—that they were most likely not righteous Soul Master geniuses, but people from the Holy Ghost Cult, the reason was very simple.
During two and a half years of exchange studies, although Huo Yuhao had chosen not to participate in various Soul Master exchange presentations in order to hide his talent in soul technology, He Caitou had attended them wholeheartedly.
He Caitou had used recording crystals to back up the lectures of those top Soul Masters for him. Take Master Diophantus, for example; the reason Huo Yuhao was able to recognize him at a glance was that this master was practically a regular attendee at major summits.
Chapter 652