hex vs office

Spots of color appeared on her cheeks. She reached for the phone on her desk.
I pointed a finger at it, sent out an effort of will, and hissed, "Hexus."
Fouling up technology is a fairly simple thing for a wizard to do. But it isn't surgical in its precision. Sparks erupted from the phone, from her computer, from the overhead lights, and from something inside her coat pocket, accompanied by several sharp popping sounds.
Ms. Derek let out a small shriek and tried to flinch in three directions at once. Her chair rolled backward without her, and she wound up sprawled on the floor behind her glass-topped desk in a most undignified manner. Her delicate-looking glasses hung from one ear, and her deep green eyes were wide, the whites showing all around them.


Turn Coat Chapter 21, Page 198