Why not move the armour up so it looks like there is an invisible man inside, as in an earlier post, add a bit of leg armour to finish the effect, place the sword roughly where the hand should be.
Put some glow inside the helmet and you could create a robot army. Pose three or four in combat mode.

You have come so far, DON'T GIVE UP....

If I entered only to win, I wouldn't enter anything for fear of someone else being better than me..........