Originally Posted by
medbear
You can use level 1 characters to tag lvl48 mobs, and kill them with 60s, and they will get the highest xp they can get at lvl 1. It doesnt matter if they are skull to the person tagging. Only thing that matters is that they are atleast green to the person that kills them.
I've tested this by summoning a level 1 into Searing Gorge, and tagging a mob that my lvl 60 tank was holding threat on. Took a while to get a hit tho :-)
Boosting in Jintha'alor works also.