It would take some experimentation, and hopefully he wouldn't accidentally injure himself. She'd agree to help, if he asked for it,

"Oh, well, I lured him out as bait at first, and when he came out to attack me, he walked right into the glyph I'd already prepared out in the snow! I created an ice platform and he went flying! I've learned more since then, of course. I can do a lot more with ice!"