User blog comment:Miskos3/Fairy Tail Chapter 419: The Message of Fire, Review/@comment-7070784-20150207115857/@comment-1359322-20150207120304

I thought Igneel and the parent Dragons already said they have finish giving Dragon Slayers the antibodies so they won't become Dragons no matter how much they use their Dragon Slayer Magic.

And yes, Natsu might requires some help from other guilds unless of course Natsu's sense of smell somehow drastically improve in that one year, but i hope we don't go that route.