Aziraphale pursed his lips and nodded, feeling pretty much the same way. Unfortunately, he couldn't just...go around killing people during Parents Weekend. The administration probably frowned on that sort of thing.

"You don't owe him anything, Belthazor," he said softly. "You do know that, don't you? I know it's hard for you, to go against the way you were raised. But you're not only half demon, you're also half human. And that means you have Free Will. You decide how you want to act, how you want to live. Not him. Nor anyone else."