User blog comment:IamJakuhoRaikoben/Chapter 493: The White Dragneel, Review./@comment-25111584-20160711145840/@comment-5303512-20160711162226

My guess as to what Lacarde's magic is that it is related to the Rapture from the Bible, where true believers ascend to heaven. It can also explain their happy faces because rapture means feeling intense pleasure and joy.