User blog comment:Miskos3/Fairy Tail Chapter 419: The Message of Fire, Review/@comment-7070784-20150207115857/@comment-122.200.1.151-20150207122936

The dragons said they kept DS from dragonification. Now that the dragons gone, they might having dragonification as side effect overusing DS lost magic

Btw i found it pretty common, its stated that lost magics has side effect : DS magic is dragonification; azuma's magic is treefication; other lost magic might be like turning themselves into what it magic originally