Empire Market is fresh, new and developing for the hights of tor network markets on the onion.
It collects much all of it's fundamental features from now Alphabay. And calling itself a beneficiary of it.
The validity of It's onion links can be verified by using the tor market’s own link-verifier website http://empiremarket-url.com/.
If mirror links are not working, here is the links where you can find working dark web marketplace mirrors http://empiremarket-url.com/