Empire Market is fine and most notorious Deep Net Market there is right now. Being this famous it faces the problem of continuous Ddos attack witch leads prime Empire Market URL to be down, and alternative URLs as well. That lead to empire marketplace had to make more and more URL and onion mirrors and mirror. And the thing is that there is not too much ways users can find a legit Empire Marketplace links.
That's why Empire Marketplace decided to create an official webpage where their users can at any time discover working URLs and onion mirrors, for quick access to Empire Market. Here it is http://empiremarket-url.com make sure you using whenever you you wish to enter to darknet market empire market.