"Aa, a pet? Or a really weird housemate?" He has both.

Either way, he'll do a quick pat-down to make sure he has all he needs. Satchel? Check. Omni? Check. Turn that light off, save its charge for later. He nods, then leads them out of the library, out into the endless gloom of the rest of Trench.

He takes her lead - whether they need to lantern-teleport out of the district or not - and then proceeds to keep his eyes open for signs of any trouble, butterfly or otherwise. Thankfully, a pretty uneventful journey either way.