Quote Originally Posted by jameseoakes View Post
Isn't that the the Diadem?
Biggest difference is between it being instanced and its own area. Also, Diadem required you being in a large group, Eureka will likely feature solo progression with added options to gather up a group and do other things. This, as they have hinted at, will span beyond just a big bad zerg, and include other functions that require teamwork and co-operation.