User blog comment:SethHeartphilia/Whos stronger Erza or Mirajane/@comment-1153699-20150701011432

Erza was and is obviously stronger.

Mira didn't go out on missions/trained for 2 and a half years while Erza did. They may have been somewhat equal before Lissanna disappeared but after the 2.5 years Mira worked as a bartender the whole time? No way.

Besides, judging by their performances during Tartaros arc, Erza would beat Mirajane without too much trouble. Don't get me wrong, I like Mira more than Erza and I definitely want her to win, but Erza's feats and portrayal are clearly superior to Mirajane's..