(She's not surprised though and silently gives Raynor a few points for being cautious of who sees the Tome.)

Listen, you and your Tome peaked my curiosity. I'm not going to harm your sanctified book. I'm just going to take a look at it to see what I can figure out from it.

(Letriel remains quite for a bit. She has a feeling she'll need more than that and looks thoughtful for a second. Letriel hesitates before speaking again.)

...What if I swore on one of my titles that I won't do anything you will regret to your Tome?

(There is a lot of weight to those words in Letriel's voice.)