"Of Arthur's boys, of course." Lucius cast the name off as though he were swatting it away, like one of those irritating memoranda. He stepped inside, nudging the door carelessly shut behind him, and took the indicated seat. Some of his customary ease came back to him then - he leaned casually back into the chair, pulling his own pen out from an inside pocket. Being treated like he actually belonged here was going miles towards re-entrenching his old public habits, though Weasley wouldn't be seeing any gratitude for it.
"Junior undersecretary, is it?" he asked, going over the title rather slowly as he watched him pick out the right documents. He gave him a smile that might have been polite, or mocking, or just stiff. "He must be very proud of you." Merlin, but he missed this sort of thing, even if there was no more real threat in it. It had been more than a year since he'd had anyone higher up than a house-elf he could even safely sneer at. He held his hand out for the papers.