Eyes are too big (even in the concept), Brows are to thick. The sword handle needs sculpting and i don't get the brick texture for the shield, beyond all that, she's a lovely toon!
I wouldn't really say the eyes are too big as much as that the eyes are too high, if you moved them down a little it would help the face look a bit more proportional, head proportions can go a long way to making a character look good, always ensure room for a forehead. For the eyebrows I think you could actually do with…