"There is nothing useful in the city?" He didn't sound entirely surprised, considering how scarce and guarded information was. But he didn't sound entirely defeated either.

Castiel paused briefly. What were the most important things he needed anyway? "How, mostly." Which could encompass anything and everything. He offered no further elaboration, nor with the added, "And why." Across his face was a serious, thoughtful expression as he undoubtedly went over the specifics of what he needed in his own mind.