[ He guesses it's too much to hope for the old RPG trope of stealing the key from the guard when he comes to give them their food. They even have a slot for that. It's almost like they thought of everything. ]

I could try burning it, but this place is a little cramped for a dragon and two guys.

[ He could accidentally squish one of them, though he's not that big of a dragon, but he'd rather not risk setting them all on fire or anything like that. Better to play it low-key. ]

Might as well just wait it out for the others. You got anyone on the outside?

[ He told Prompto as much as he could, but he doubts Prompto alone is going to foil all those security measures. ]