These perks will serve to help distinguish various specs from each other within a class as well as making them more distinct from other classes. How this will work in actual practice has yet to be seen, but it's definitely an interesting new wrinkle on leveling that we haven't seen before in WoW.
Draenor Perks is a new feature that adds rewards for leveling. Over levels 91 to 99, you will earn these 9 new Draenor Perk in a random order. Each class and specialization has a different set of 9 Draenor Perks.
Draenor Perks have been added for all classes, earned from levels 91 to 99.