Empire Market is late, original and expanding for the ceiling of tor network markets on the onion network.
It holds almoust all of it's fundamental features from now Alphabay. And claims itself a replacement of it.
The reliability of It's links can be verifiable by using the dark web marketplace's own link-verifier website /empiremarket-url.com/.
If onion URLs links are not working, here is the onion links where you can discover working tor marketplace mirrors /empiremarket-url.com/