It seemed Castiel didn't quite trust him enough to disclose his own room number, but had no trouble in asking for Soushi's. The question then, was did he trust Castiel enough himself to give away that information? And by extension, Lingormr. He could almost be certain it would find its way to that man eventually.

"I believe it was M6," he answered, making what he hoped was not a hasty decision. He waited for the assessment from Castiel. Was he close to the other man's room?