User blog comment:LastationLover5000/Fairy Tail 379 - Tartaros Arc: Part 3 - King of Hades/@comment-3030647-20140405021432

Hmmm, Hades releasing Lumen Histoire...can he do that considering he's a ghost? Then again, there's Mavis. Maybe Lumen Histoire has something to do with Mavis' ghost-like nature. And regarding Minerva's choice of name, it's more than likely that she did it in order to prove she's on a higher platform now. Aka, she's no longer just a mage. Probably for her own self awareness if anything else.