User blog comment:Miskos3/Fairy Tail Episode 237: Tartaros arc Prologue: Natsu vs. Jackal, Review/@comment-78.96.248.72-20150614140456/@comment-25111584-20150614142242

I'm guessing that the anon means that she's strong enough not to have to team up.

Chairman's safety is pretty important though. Not a bad decision by Makarov to send the two.