"I would like to take you up on that," Castiel says, straightening up with a decisive nod. "Besides which, with Ishiah and Urahara both gone, I think someone else needs to be more familiar with what my power entails, just in case. I would hope you would be willing."

He takes a deep breath, looking around the room, different points of power and magic all around them. "Then there is the question of what to do with this place."