And the very sound ignited the animal in Harry like never before. His lusty energy spilled out of him, catching with the sex magic pulsating from the very walls. The air was tautening, congealing, and growing so hot that Hermione could see beads of sweat forming on Harry's brow. Her insides squirmed and wriggled, her breath halted somewhere between her lungs and lips and blood pumped hard between her legs, as Harry's magic swept out from him and enveloped her.