User blog comment:FairyRaven/Fairy Tail Chapter 329: Seven Dragons, Review and Commentary/@comment-4829046-20130430111358/@comment-4829046-20130430122525

-_- R u joking? Natsu could smell him(same way he could tell there were 7 dragons). I thought that was obvious. But his "I can hear it" might have been literal since he has slightly enhanced hearing. But I could be wrong.