Awesome awesome pose... It's all like, can't touch this! Or something
Anyway, I have already told you that you are great at digital coloring, and this picture didn't make me change my mind in the least. I also agree that your backgrounds look fine... I mean, at least you HAVE backgrounds... unlike me most of the time.
Nice stance, sadly the focus is too dark. But's that's what makes it look cool. That sword point seem to get popular lately. Though the pic. seem to missing something. Most of these type of pictures would have writting display in them. For this case, under the sword there would have been Zero label there. I also like the sketching mode type of thing you did there. It suit the image very well. This is a MUST