"I am keeping an eye out."

Though in order to watch behind them he did have to slither about Azriaphale's neck and 'periscope' his head over the angels to see between his wings.

"Oh, this is bad..."

He shuddered even if the pathway behind them was also clear.

"Can you feel that, there's a dark malevolence in the air. Hatred. That's what it is, pure hatred."

Close to Azriaphale's ear he hissed, "How could we stop that thing? What we need to be doing is hiding. it's after us, hunting us from the shadows."