The Good Guys Rise Up and Take Power in Tolkien's World

I like breaking bad a lot, but I'm beginning to get tired of the good guy who becomes evil over time and look at what a shitstorm has created. But one of the ways Martin turns Tolkien on his head is that in, you know, in Tolkien's world, good guys are not supposed to rise up and be the Nietzschean uber mesh, take power. In Martin's world, sometimes the good people have to do a little evil to save the world. Or they're going to destroy the world. It's kind of it's kind of like that. John Snow, Aria Stark, Tyrion Lannister, and they do need to riseup and be the uber meshes