User blog comment:FairyRaven/Fairy Tail Chapter 414: Drops of Fire, Review and Commentary/@comment-7418318-20150105144646/@comment-25111584-20150105175131

... But Lucy isn't there, and Doranbolt isn't a member of FT to suddenly start using Magic for trivial purposes such as transporting Lucy to Natsu (assuming they even know where he is >.>) after he himself admitted that he was out of Magic Power.

On the other hand, Happy could fill that role excellently, if he could somehow get there. He is the closest person to Natsu after all. And has mp heard the most about Igneel from him. Plus, I guess they both have already experienced something like this (though not as intense, I guess) when Lisanna was presumed dead.