She goes back to the corner with the giant ceiling pipe. She'd like to be all the way back at the, uh, 'relaxation chamber', but she'd have to break a door to get there, and anyway she's not totally sure she can work precisely enough that far away around that many corners. So this will have to do.
And she tucks herself into the corner and reaches out with her groundsense and finds the wall fixtures and gets a good grip and pulls.
Or, from an observer's perspective: she does absolutely nothing with a look of concentration on her face, and the wall fixtures simultaneously collapse into fine grey dust, and she curls up tighter and makes a pained noise.