The hunter is the most useless on hard mode as he really has nothing to offer as team support and his killing abilities are only just as good as he other classes. Playing the raid on all three classes I can say Warlocks are by far the best because of the self revive which is really OP. On hard there is no revives so hunters can't stealth revive anyone and even on normal you really don't need stealth to revive people. Golden Gun on hard can't kill oracles in one shot and the reason people cheese it is because it gets boring once it is your sixth time running the raid that week. Yes the raid is fun to do the first or second time properly, but once it is your third or fourth time doing the raid it is really boring so you just do it the fastest way possible. I really feel like the classes were balanced fairly well for PVP (besides titan, the titan in general needs a buff, his melee needs far more range) but on PVE the classes are in no way near balanced and the Warlock is by far the best. Considering that the Hunter is my main account and my favorite class, I really do have a solid opinion on why the Warlock is the best class in PVE with just about everything being better for it.