He doesn't need dominion--he's God. He's Light, and Creation. He can do what he likes--that's very much the point.

It's hardly my fault that humanity has idolized serenity and cowtowing and all the rest of it, and pushed away everything else that made them interesting--I mean, it's literally the opposite of my fault. But having power doesn't make you a perfect little unflawed creampuff, either.