"Are you out of your bloody mind?" Regulus answered. He always knew that the Malfoys were all less than brilliant, but this was ridiculous. "You don't get used to the Cruciatus and you don't handle it. You suffer it, hope you don't piss yourself while shaking and pray that they stop before your brain turns into oatmeal."
Regulus snorted. "Did I every say anything about rewriting the curriculum? I'm telling you to do it in this house, because most of those hexes would land you in Azkaban if they saw you. You do it in a house with enough magical protection that the Ministry doesn't know you're casting them, and you certainly don't train with Cissy's security. Find a house elf and start hexing him. Get cats, dogs. When you can kill them without a word, then you know you're semi-decent"
He rolled his eyes. "Please, these Aurors are like pigs sent to the slaughter. You can learn more from your father. I hear he learnt from Bella. Now, she was one creative woman when it came to torture and death."