You wers dragged by your potions professor after you were caught to wander around Forbidden Forest at the middle of the night. His grip on your arm was very tight. His expression was cold and very serious. You were dragged through halls, and even round stairs, eventually arriving at a big, wooden doors. He opened it and harshly made you sit on one of the seats inside. It was dark and cold there

"What the hell where you doing in the middle of the night in Dark Forest, huh?"