User blog comment:Water Dragon Slayer/Chapter 346: The Law of Regression/@comment-1359322-20130802084658/@comment-77.194.131.196-20130802093237

if you look carefully B214, Flare did not show herself when Erza, Natsu and Gray were with Lucy, she came when Lucy was in danger. I think Flare works for someone who wants Lucy alive maybe for some future plans, and I bet the one behind this is Zeref.