User blog comment:SethHeartphilia/Whos stronger Erza or Mirajane/@comment-26156772-20150630024214/@comment-26156772-20150705150618

Mira's battles are also quicker, and she barely even breaks a sweat. Strongest armors or not, Erza is yelling about friendship the entire time with a fight that is at least 2x the length of Mira's fight