*The confusion only lasts for a few moments--who could possibly be here and have a--Oh. Of course. Still, Barty's presence isn't about to deter him. It's time to talk and this time is as good as any, and this is just a complication. He'll take the kid's wand away himself if that's what it takes to get a moment alone with Reg paying full attention.

He climbs the steps to the patronus, wand aloft, and ready to strike if anything comes a-haunting.*

Hello? Barty?