[from here]

Another nondescript hallway with doors that all looked the same gave Soushi little hope, but Castiel had insisted the room he was looking for was this way. And injuries withstanding, even if they didn't make it tonight, the route was simple enough he'd have no trouble repeating it.

"Do you know which one it is? Or shall we just start eliminating them as we go?" he asked, turning to Castiel.