[It's as she suspected, she thinks - that use of different metals in the casing and its lining to offset any expansion or contraction in response to the energy the lyrium might emit. It's a clever trick.

If she waited a few more seconds, he'd make it all the way through the door and be gone. She is very close to letting him go.]

I told de Foncé about you and Ellis. Just in case. [without looking up; picking at her fingernails as she studies the schematics.] I'm certain he'd come seek you out so there's really no pointing me even telling you now, but I suppose it's a kindness to warn you. The man is relentless.