Allison follows not far behind him and tries to get a closer look at the ritual while Wei Wuxian is being distracting. Now that she knows anything about magic but she might be able to redraw it later.

"Apologies," she says easily playing the part of the belabored servant coming to collect her master. "Everything is urgent when it's your problem to deal with. Perhaps we can come back another time?"

Only they won't. Allison isn't necessarily sincere in that offer, but she'd like to think she pulled it off.