Ashengate from the Serpents Spine expansion is a good place to learn new classes. Mobs summon, see through invis, and rampage. You should grind some AAs there (remember, you only get AAs through Underfoot and the House of Thule expansion has some very worthy AAs in it even at 85—especially spell casting subtlety for casters). I'd do a 60/40 AA to regular XP split. Mobs here are quite a bit easier than other zones, and if you've got AC aug needs there are three that drop in the zone (an AC 20, 22 and 30 (rare off a named mob Argil Oppressor, not the similarly named an_argil_oppressor)). Any of the mobs laying down you can target from afar by doing a /tar an_arg or /tar Argil (note if you're targeting something with a space in its name, you must use an underscore_between words).
Hills of Shade is the 80 Hotzone. It's great, especially if you're a paladin. Near the water, there's a town of normal looking folks that are almost all actually undead, so you can Slay Undead away (my now-level 94 Paladin (after swarming this areas this weekend) can swarm the town and the docks area with ease, your 85 group shouldn't have problems with multiple pulls.
If you got the Old Bloodfields route, you there are two easy camps to get to. Either go right or go left out of the gate and go to one of the corners. Plenty of room to kill stuff and you can usually get single or double pulls.
Edited, Mar 17th 2014 2:07pm by Grady
Edited, Mar 17th 2014 2:08pm by Grady
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I saw the best minds of my generation destroyed by madness, starving hysterical naked, dragging themselves through the negro streets at dawn looking for an angry fix, angelheaded hipsters burning for the ancient heavenly connection to the starry dynamo in the machin ery of night.
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) Now I know some places to start 
