User blog comment:SethHeartphilia/Whos stronger Erza or Mirajane/@comment-75.81.33.43-20150913022712/@comment-2214433-20150913165627

No, she's in even worse position than side characters, because while the side characters are kind of just there, all of the Strauss siblings are used to hype the enemy by nerfing each other during the battle.