Empire Market is hot, original and reaching for the peak of tor network markets on the onion.
It has much all of it's fundamental features from now Alphabay. And calling itself a replacement of it.
The legitimacy of It's onion URLs can be verifiable by using the darknet marketplace's own link-verifier webpage http://empiremarket-url.com/.
If mirror links are not working, here is the mirror where you can find alternative darknet market mirrors http://empiremarket-url.com/