"Vengeance is very sweet," Snape breathed at Black. "How I hoped I would be the one to catch you."
Sirus raised an eyebrow at the Potion Master's sudden dramatic entrance. "You're scaring the house elves, you know."
Snape dismissed the kitchen workers with the wave of a hand. "I knew it was you, I knew it. Only you would dare such a thing." He brandished his wand at the Azkaban escapee.
Sirus rolled his eyes, and ate another triple fudge brownie from Snape's hidden stash.
