"Naturally, I could not tolerate this, and so I did what was necessary to protect myself." Riddle said this all with the dry disinterest of one reciting a grocery list, before finishing with a little smirk. "Knightley learned his lesson after waking with his owl’s guts strewn over his bed, cuddled up next to her corpse, and forced to relive the moment of horror every night as he slept thanks to the nightmare curse I used."