"I'm sure she'd like that very much." He leans down and pats her on her bristly head, a look of warm fondness in his eyes.

Arthur is happy to follow Jon and his Ghost, the Empress staying close at his side.

"Oh, um, sort of? It's the castle of Lord Emsworth, the Earl of Emsworth. But it was in the...kingdom of England. The same kingdom I'm from, just another bit. And it was a made up place. Lord Emsworth and the Empress here were characters in books I read."

He does not add that he is currently dressed like Lord Emsworth. It's just for fun, to go with the whole theme he's crafted. Why not?

"When I was little I used to think I wanted a big Berkshire sow of my own, and I'd call her Empress. So here she is."