Got stuck with the "anything goes" brief for this, but think I have narrowed it down to something I like.
So am going for a sort of enchanted arm, full of holy or unholy power. For the base character I wanted to go for some kind of world war / dieselpunk kind of thing, but I'm thinking about adding some garish colour scheme to the soldier theme to make it a bit different.
Here is a character design I did for a character challenge a while ago, I'm thinking about following the same sort of theme.
@evehartman Leaning towards light, but it could still go either way. My illustration piece will hopefully be good verses evil, so I will be designing both light and dark versions, and will decide later which will be more prominent in the final image as they fight. (And which one is getting beaten up, etc)
More progress on the magic arm, going for guardian angel / possessed.