Castiel had seen enough. As Azazel kicked Ruby away he strode up to the demon, gripping him by the throat and throwing him away.
He looked at the demon, eyes burning with righteous hate.
"You are not to touch her again."
The statement was simple, his tone cold and strong as he glowered. It was true that Ruby was a demon, but she had helped the brothers, as much as it pained him to admit it. And if she was to be sent to hell, it would be by his hand, no one elses. She'd earned that much at least.