User blog comment:IamJakuhoRaikoben/Chapter 381: Where Demons Live, Review./@comment-24467372-20140418094955/@comment-4449950-20140418132312

It's not so much that we expect her to tank it, it's that merely 4 pages ago, a non-Take Overed Mirajane in her human and completely defenceless form took: a head-butt to the gut at Sayla's faster speed, multiple slashes to her overall body, and, in the previous chapter an energy blast at point blank range and a harsh punch to the solar plexus, all from a power-uped Sayla. Total damage was not enough to knock her out or stop her from using a seemingly strong Take Over to get past Sayla's defences and take her Macro.

On the other side, a Limit Released, Demon's Eyes Awakened Sayla took one harsh blow to the head(?)/neck(?)/back(?) and went down 100%

Chalk it up to my opinion, but this doesn't add up fairly. I'm not saying Elfman has a weak arm, but she shouldn't have gone down straight away.