I'm not sure if "mirror" is quite the correct word.

[ Howl takes a long sip of beer, the moment of silence giving his words some extra emphasis before he continues. ]

If you ask me, the word "mirror" implies some degree of authenticity... a reflection cannot exist without a source being reflected. No, I think the word "copy" is probably more accurate. It was the "Oracle" who created this place, from scratch, right before we arrived, along with all the rest of them. Don't you think?