Empire Market is fine and most notorious Onion Network Market at the time. Being this great it faces the problem of regular Ddos attacks causes primary Empire Market link to be down, and alternative URLs too. That lead to empire marketplace had to make a lot of URLs and tor mirrors and mirror. And the problem is that there are not many ways costumers can discover a right Empire Market URLs.
That's why Empire Market decided to create a special website where their users can at any time find active URLs and onion mirrors, for instant enter to Empire Market. Here it is http://empiremarket-link.com be sure you using every time you need access to darknet market empire market.