User blog comment:Omega natsu2/Chapter 372: Breach, Predictions./@comment-176.240.167.193-20140215195417/@comment-7418318-20140217102644

She can grow her fingers into something like bladed whips. And the curse that turns the weak targets into paper-dolls puts even those who pull through it into great pain and likely renders them unconscious.

Those abilities sound quite useful in combat to me. And that's just the things we know for sure about her.

Juding from Jackal, she likely has another full-Demon shape which gives her great physical power and resilience.