"Well, if you looked anything like what I saw, you'd have made one Hell of a terrifying demon," Crowley says. "Given Beezelbub themself a run for their money, that's for sure."

Aziraphale is right, though. He's no angel. Hasn't been for a long time. And Aziraphale is far too good to have ever made it as a demon. So they sit here, neither fully fitting in with their own worlds, trapped in this strange dark place together.

"I don't think you ever asked why I Fell," he says.