Its as fun as long as it takes you to realize that the spec/class you decided to stack was useless. it works with bursty classes/bursty classes that can off heal forever. so... druids, shamans.. oh right, and hunters. enjoy. unless you and 9 of your friends enjoy being smashed mercilessly into your own graveyard. Cant wait to do this all over again next expansion. For the "first" time.