User blog comment:FairyRaven/Fairy Tail Chapter 407: All for My Demise, Review and Commentary/@comment-86.70.179.180-20141101135309/@comment-1359322-20141102084035

Well i believe the mages memory on Lumen Histoire should be removed. There might come a time when they need the LH again. If they remember what it is, there's a chance the enemy might use it instead.