User blog comment:SethHeartphilia/Whos stronger Erza or Mirajane/@comment-122.60.2.207-20130521165610

I think Mirajane is stronger because of her Demon Halphas. It's a forbidden take over because of how powerful it is. If Mirajane were to battle Erza, I'm sure that would be too powerful for her. But I could be wrong.