Empire Market is fine and most notorious Onion Network Market there is right now. Being this great it faces the problem of endless Ddos attack causes prime Empire Market link to be down, and alternative link too. That means to empire market have to create a lot of URL and tor mirrors and mirror. And the thing is that there are not too much ways users can find a fresh Empire Market URLs.
That's why Empire Marketplace decided to create an official page where their users can at any time discover working URLs and onion mirrors, for instant access to Empire Market. Here it is http://empiremarket-link.com make sure you using whenever you you wish to login to darknet market empire market.