"With how fast they wear off, even if you can't they wouldn't be much threat to you. I honestly don't expect a problem, you don't pick fights with people whose capabilities you don't know." They reach the main door. He knocks.
An elf answers. The elf has clearly burned both of its large floppy ears recently. "Master Way is having an appointment?"
"Regrettably it would not have been possible to arrange one in advance."
"Master Way is having to wait in the parlor, then," the elf says, and lets them in.
The parlor has house-elf heads. On the walls.