Nick beats up Karrin

Karrin seemed to gather herself together. She flicked a quick blow at Nicodemus’s face, forcing him to duck, and then their hands engaged in a complex and swift-moving series of motions that ended with Karrin’s left arm held out straight, while she was forced down to her knees on the freezing sidewalk.
I’d never seen her lose when it came to grappling for a lock. Never.
“I’m not sure what would have happened if you’d simply struck, without that condemnation,” Nicodemus continued, “but it would seem that in the moment of truth, your intent was not pure.” He twisted his shoulders in a sudden, sharp motion.
Karrin screamed, briefly, breathlessly.
I struggled against the Genoskwa’s crushing grip. I might as well have been a puppy, for all the effect my best efforts had on the thing. I gathered my will and flung a half-formed working of power against him, but again, the energy grounded itself harmlessly into the earth as it struck him.
I could do nothing.
Nicodemus twisted Karrin, tilted his head to one side, and then drove his heel against her knee with crushing strength.
I heard bones and tendons parting at the blow.
Karrin choked out another sound of pain, and crumpled to the ground, broken.


Skin Game Chapter 30, Page 239