User blog comment:BadDesperado/"Swain's" Duel Against Keiram Darkwill/@comment-5035765-20130510015827/@comment-5927074-20130510131633

I doubt the tag teaming. Maybe she used her magic from some hidden place.

But why the exact quote LB says when attacking? (Yup, checked her page to make sure :D) And the LeBlancs seem to have the ability to change their form. So I think it's highly possible it was LB who took care of Keiram.