A lot of people were wondering how to get to the elite dungeon. It's simple, you just go to the world map and host it. I heard others saying that it was locked to them: that's probably because you were wearing your Monarch helm during the update, and need to take it off and put it back on, or you haven't worn your Monarch helm since the update.
Hope this helps, if any of you were wondering! :P
Make sure to.....
Slap that thanks button like it's naughty!