User blog comment:FairyRaven/Fairy Tail Chapter 360:The White Inheritance, Review and Commentary/@comment-24066070-20131115194948/@comment-5268982-20131115203915

That's a nice theory, but that would mean that Lucy's Magical power is equal to Jackal's, which is kinda unlikely, considering that he is one of the 9 Demon Gates and she is not even an S-Class Mage.