User blog comment:FairyRaven/Fairy Tail Chapter 300: Where the Dragon's Soul Rests, Review and Commentary/@comment-77.49.130.210-20120921143743

This chapter reinforces my opinion that the mysterious girl might be Lucy. She wrote that note with her left hand and, yes, I agree she either lost her right arm or is unable to use it. But, also, it makes me think that Lucy has her FT stamp on her right arm, which we didn't saw.