"They'd be dead, not always literally" he said without a doubt. "The purebloods would be disowned by their families. They'd lose everything, considered dead. Maybe if you were lucky, you wouldn't attract the attention of the Dark Lord, but if you did, then it might be a real death."
Regulus smiled at the eyebrow. "Whatever you're thinking, I'm sure it's not what I meant. In fact, I shan't ruin your night by explaining that comment. Perhaps another time."
He laughed. "Now, that I can understand. The concept of mine is one that I learned quite early, and I couldn't imagine dealing with any of this." He frowned. "Ask him? Do you think he wouldn't be insulted? And why would he answer? Is he not a Slytherin? If you think it's all right, I'd like to."