User blog comment:DivineHalo/Mirajane's takeovers (72 in total?)/@comment-211.25.214.50-20141228064644/@comment-1359322-20141228081001

Mira is not a main character like Erza. Plus if Mira fight more often like Erza, we'll just end up getting bored with Mira as well. It's precisely because they rarely fight that we look forward to when they do fight.