Guides on what to do next
http://metabattle.com
Find a build that suits you and set it up.
There’s no particular guide because there are all sorts of ways to approach endgame and all sorts of ways to acquire gear (most of which are covered on the wiki if you look for the item(s) you want).
John Smith: “you should kill monsters, because killing monsters is awesome.”
(edited by Illconceived Was Na.9781)
For a legendary you need tons of money and mats, and fortunately for you the best way to get that is to do anything you find fun. Just spending time in game will eventually get you a bunch of crap. PvP, meta events, dungeons, whatever.