Lemm is worried for a second that they've made a mistake somehow - but he perks up a little as they appear to proceed as if they're just another traveller bringing him things for geo. Business as usual. That's easy enough.

"What have we here?" he says, shifting in his seat and reaching for the first journal - then hesitating with an odd look on his face as the knight pulls out more. There's only one other person he's seen pull things from nowhere quite like that, and something clicks.

And then he catches sight of what's on these journals, and holds one up to the light. There's etched nacreous symbols in some places for emphasis, and he catches the word for soul at least twice just on the one he's holding. His gaze flicks up from the journal to the Hollow Knight, and after a long pause he asks a question he definitely already knows the answer to.

"Where did you get these?"