Nodding calmly, oddly enough, Draco moved stealthily through the rubbish--used to having to walk quietly and carefully through areas of destruction. He was very good at this sort of thing, just usually it was from another perspective.
"I think we're clear," concluded Draco, after finding no one on this floor. It looked like either everyone had gone downstairs and gotten out, or they'd found other ways of fleeing.