User blog comment:FairyRaven/Fairy Tail Chapter 344: Wizards vs. Hunters, Review and Commentary/@comment-4829046-20130720032130/@comment-4829046-20130720151535

Why? Wasn't it already established that Tenzin and his kids are the only ones and Book two occurs shortly after Book one so if they did manage to train some more airbenders they would be extremely inexperienced. But we will see some Spirit Airbenders probably.