User blog comment:IamJakuhoRaikoben/Chapter 418: Challenger, Review./@comment-203.215.121.159-20150203041201

If Lucy can write her own books (novels) she can learn some magic similar to Zeref. Zeref can create demons from his books so maybe Lucy can create something also (maybe from the One Magic?) out of her books if she can create them. [theory/idea]