He didn't. He missed a jab at his chest, and her open palm slammed into him just over his heart. Pain wracked his chest for a few seconds until his body recovered. She didn't press her advantage, and he took a moment to reevaluate her.
She still wasn't breathing heavy, but there was a smile tugging at the corners of her lips, and a glint in her eyes. Her martial arts skills were top notch, almost inhumanly so, but it wasn't enough to convince him to take her with them.
"I'm sorry," he told Megan, hoping he could keep control. "Forgive me for this." The almost-grin on her face turned to a scowl, and then to that of shock as he grew in size. The room had vaulted ceilings, which would be large enough to hold him and his muscled form. His intelligence dropped as he grew into an ogre, but he managed to hold onto the thought that she wasn't to be hurt.
