Albus slowed to a jog with a wince, coming to a halt halfway down the corridor and gazing down at the man now sat on the cold stone floor. "I'm sorry," he said again. "I don't know what happened..."
His gaze slid to the now stubbornly inanimate lump of metal sat in the other man's lap. Perhaps it wasn't as useless as it had appeared. Perhaps those hours spent prodding and mixing and heating and cooling were starting to pay off, one way or another...
Now probably wasn't the time, however.
Albus shook his thoughts away and instead stuck out an ink-stained hand to help pull him to his feet. "Are you alright?"