Dissension amongs the ranks, impossible for feral

So the quest requires me to kill a 60k HP elite, which isnt a problem except i cant use my abilities since the buff is dispelled when i go form.

I’d advise you to report this bug. A quick glance on wowhead shows its an old bug that was once fixed, and has been revived in TBC:Classic.

You can see the option to report this in this post: