Empire Market is late, original and growing for the hights of dark web markets on the tor.
It has almoust all of it's majormain features from now Alphabay. And calls itself a replacement of it.
The legitimacy of It's mirrors can be verifiable by using the onion marketplace's own link-verifier page http://empiremarket-url.com/.
If URLs links are not working, here is the onion URL where you can find fresh dark web marketplace mirrors http://empiremarket-url.com/