Easily overpower Harry

Fire slammed out the end of the rod, missing Kelly by at least a foot, but still hot enough to set the hem of her cloak ablaze. The flame slewed in an arch across the ceiling and down the wall as I started falling, cutting through wood and brick and stone like an enormous arc-welder.
She flung herself atop me, straddling my hips with her thighs, moaning in excitement. I thrust the blasting rod toward her, but she batted it aside, laughing in a wild, hysterical tone, throwing her smoldering cloak off with the other hand. She plunged toward my throat, but I lifted my hands to catch at her mane of hair. I knew it was a futile gesture - she was just too damned strong. I wouldn't be able to hold her off of me for long, a few seconds at most. My heart pounded in my burning chest, and I struggled, gasping in air.


Grave Peril, Page 151-152