The wards, additionally, give Narcissa upstairs due notice of their arrival - she's no rush to go down, since it's two people and that means either the Lestranges are doing something typical of them or Lucius has caught up with her younger self, and either way they won't expire if she doesn't immediately drop everything and scurry down there. Her conversation doesn't take much longer to wrap up, regardless, just a few more brief queries about availability before she signs off with a warm thanks.

The Guild Hall won't do for a venue, after all, for more reasons than just the relative isolation of Sobek Croix geographically. Once she's noted the conversation down, she slides the papers back into place and locks her desk, precisely, going down to see which particular storm she ought to be bracing for.