It's not bright, yet - the reddish glow spreading through Raguel is still dim enough to be mistaken for any one of a dozen emergency lights that, in a darkness not born of any electrical failure, have not yet flickered to life.

But what barely registers to the eye sets another sort of sense jangling -

- and when Crowley looks back, and meets Galadan's narrowed eyes, he realises he isn't the only one who's noticed.

"Get them out," Crowley says, as the acrid tang of wrongness fills his mouth and nose.

A bullet whizzes past, and the demon falls away again into the dark.