FYI Rocks and I killed some Ice Claw Elites in Morheim.
We were getting 60-65k xp a each per kill.
Fire Temple is also available at + or - lvl 30 which I am sure is worth even more... As well there are a bunch of mini bosses with fat loots in the Lava Caves.
If anyone is interested in getting a group together I would love to farm any of these location.
Please let me know what day(s) are your free day so we cant get a few hour grind session in as a guild a few times a week.