Kevin was about to answer the previous question when it happened. The loud bangs on the door had startled him out of boredom and he turned his head just in time to see a troll crashing in the room.

....a troll... a real troll..."wicked" he said but then jumped up from his place when the troll entered the room. He grabbed his wand instictively and looked at the Professor as the Prefects shouted to get back. Normally he would have ignored their commands but he wasn't stupid so he too turned to hide with them but then....

Zander

the bloody idiot was just standing there! Without another thought, Kevin changed cource and ran up to his friend. "What are you doing, idiot!?"