The level 90 talents are just bad, none of them are usefull, sometimes i feel i'd just not talent into them at all. They used to be good at start of the beta but they nerfed them and changed mechanics to them until they became worthless.
They have all these cool demon names from wich you're supposed to take something but after u get them you either cripple yourself(KjC) or you hit like a critter(AV).