This is looking nice! Great moody lighting and atmosphere. I hope that you don't lose the intense red from your previous full-body-only post. I really like the idea of having the mace on the chain, but you might consider more dynamic poses for him. Right now he doesn't look like he's putting all that much effort into his swing; It feels more casual than powerful. Your previous post with the mace in hand had a bit more of a dynamic pose.
Layout-wise, you might consider cropping the image tighter to get rid of the dead space to the sides. I hope you don't mind that I did a quick paintover to show you what I mean:
(I also added a bit of fog behind him on the left to separate him from the background. But I know you were still working through your painting and likely didn't need my help at all, so I hope you don't mind. Cheers, and good luck with it!