Peridot cocks her head slightly and gives her a Look, but decides not to pursue the other topic for the time being.

Technically they didn't really 'defeat' the Lady so much as hold her off long enough to make a hasty escape, but like hell Peridot is going to convey that truth to Jasper.

"We figured out that there's a 'magic' to this realm, which we were able to harness to put us on a more even level from which to combat the fae." And if Jasper wants more details, she's just going to have to ask, because Peridot loves making people ask for a lecture.