I am boosting 3 now at level 81 getting them to 90 to catch up to my other 2 Dks its seems to take 5 dungeons runs per level. They are level 83 and what is seems now its 4 runs to level 84, this was last night the over all xp is not bad its like 80k and the gold is about 8 to 10 per boss and 35 for completion.