It is very powerful, but anyone that has leveled it has access to it. You don't necessarily choose a class and then be only able to use its tools. Sorceror and Dreameater are both quite effective tools.
What if everything around you, Isn't quite as it seems? What if all the world you think you know, Is an elaborate dream? And if you look at your reflection, Is that all you want to be? What if you could look right through the cracks? Would you find yourself, Find yourself afraid to see?