User blog comment:FairyRaven/Fairy Tail Chapter 448: Fight the Power! Review and Commentary/@comment-112.198.246.37-20150819035200/@comment-112.209.142.124-20150819101503

The thing about Lisanna is that she has Animal Soul while Elfman has Beast Soul. I think creatures that are generally known to be more powerful would fall under "Beast" would go to Elfman.