User blog comment:CNBA3/Tartarus' Army!/@comment-24066070-20131104150357

I think it's pretty obvious Minerva will survive the power-up/transformation or whatever Kyouka has done to her, since the author already established her feud with Erza (fight during GTG and at the Sun Village + a "don't turn to the darkside" speech).

For now it is imo too early to speculate on the effects of Kyouka's magic. However what I find interesting is that the magic seems to work even on those who try to resist it, as Minerva clearly didn't agree with what Kyouka was about to do. Perhaps Kyouka can use it on anyone, but then it would need some sort of limitation, otherwise she could use it on everyone she encounters and that would be overkill. Likely the limitation will be something along the lines of bearing hatred, a desire for power, envy or simply being stronger than Kyouka.

According to me this magic would be an interesting way to "recycle" characters beaten in the past. Examples that come to mind: Kain Hikaru, Rusty Rose, Aria, Sol, Ikaruga, Vidaldus, Fukurou, Yomazu, that GH bird, etc.