There are many things Norrell could say at this point, many other points Norrell could make with loud determination.

A quick glance toward Childermass subtly reminds him that now is not the time. He has, as Sylvia has noticed, said quite a bit already after all.

"I believe I am satisfied for now," he says finally, "although I have no doubt more may well be turned up."

His eyes flick between Childermass and Vrinak questioningly, waiting to see if they have anything further. If not, he supposes then all they can do is what for Sylvia to make her own assessments.