User blog comment:FairyRaven/Fairy Tail Chapter 396: Air, Review and Commentary/@comment-74.61.219.92-20140813063447/@comment-77.194.131.35-20140813104155

I think Mashima did this to put Lucy in a comatose state, maybe the only way for her to meet her mother and learn more about her past, maybe Layla will say something to Lucy about the keys, the dragons and so on and when she will wake up Lucy will take a decision nobody will understand, maybe following Zeref or leaving the guild