Originally Posted by
Yano
Another nifty trick of the same manner involves using the Wyrmrest Temple rested bonus you get to obtain 6-7k experience from killing Iceshatter. I found that to be fairly profitable in terms of experience, albeit mindlessly dull. Essentially you run back to the temple after each kill, which gives you enough of a rested bonus to kill again. At the same time, you can camp that temple overnight and come back to kill him multiple times.
This topic just made me think of it, so I posted, hope this helps alongside your advice.
He's an almost immediate respawn as well. Forgot to add that.