User blog comment:IamJakuhoRaikoben/Chapter 387: Tartarus Arc: Part 4 - Father and Son, Review./@comment-5303512-20140606140415/@comment-33019320-20140606143352

It's possible that Face is probably one giant machine. After all, when one of those bomb was physically destroyed by Wendy, it still kept going. I guess that suggests those 'bombs' help give it altitude so it can spread it's anti-magic thingy all over the continent.