Draco didn't hesitate, even as he searched his memory for the name of the student, and his year, and his House. He grabbed the student's shirt and dragged him away from the shelf, and away from the growling, twitching creature, almost flipped over now, and didn't stop moving until the library doors slammed behind them. Quickly he spelled them sealed shut and left a floating warning in glowing green letters, DO NOT ENTER, and signed it, before finally turning to him.

"What are you doing out of bed?" he demanded, and continued without pausing, "Ten points from Hufflepuff, it's after hours, you could have been killed, Daehler, get back to your dorm."