It's not like it was solar power. [There's a light source here, but it's still very obviously some sort of enormous cave. Was this some kind of mining settlement? She can't think of any other reason anyone would willingly set up their life underground.

Before she heads into the hallway, she hears the clatter of Sanji breaking the pantey door.] Nice one, doofus.

[The fact that she has chosen 'doofus' and not anything else means you have gained a little ground, and also that she doesn't want to push you away yet. There's no bond between you, after all, nothing to keep Sanji from just walking away and leaving Emily on her own.]

I think I see something. [A small recess in the wall. She goes to it, peering into it.] It's a button. You should take a look and see if you can figure out what it's for. [Because if it's for maiming intruders, flaming foot guy actually stands a chance against it.]