"This last one was the devil - well - he more or less claimed to be the devil. He was sealed in a pit, he claimed, before the universe began... He wasn't quite terrifying in his chains and locks." The Doctor at least didn't acted phased one bit with him.

The Doctor wasn't a fan of religion, but kept that to himself.

"Ahhh! See!? She is!?" He nudges her as he places his empty plate in the sink, "Don't disappoint her."