User blog comment:Woest/Chapter 382: Alegria/@comment-121.54.44.89-20140428152822/@comment-7418318-20140428173136

Then go for telepathically hacking her brain or threatening her family instead.

Apart from that she was just too weak to continue being a mage. That doesn't mean she's too weak to endure anything without immediately dying. There are so many ways to torture a Human being that aren't immediately life-threatening.

Also there's the whole "Humans are less than even insects" matter. That makes me seriously doubt they'd ever accept a former Human into the Nine Demon Gates. Sure they might make them into servants and soldiers like they did with Doriate and Minerva, but that's a far-shot from treating them as equals or listening to their orders. And Kyouka was ordering some of the other 9DGs around.