User blog comment:IamJakuhoRaikoben/Chapter 463: Black Carpet, Review./@comment-124.82.58.141-20151125101811/@comment-124.82.58.141-20151125104614

Because Mavis is sending her troops to two directions.

Nothing, Mavis has sacrifice people before, why would she hesitate to sacrifice Natsu. She won't put the whole world, maybe i'll limit the scale, whole guild to jeopardy for Natsu alone. Even if other can't accept it, Makarov will force them into obeying Mavis' order.