It likely didn't help that Crowley stood there holding the ball of flame in his hand like it was the most natural thing in the universe, dutifully holding it aloft like some avenging devil so the stone floor could be given a proper search. He even took a few steps towards the last known location of the torch, though it had bounced or... clattered further down the tunnel.

"But if you have been looking for trapdoors you might have seen the hole."