I made 2 versions:

In the first one I made some changes to the foots of the knight and also tried to make the sword bobbing to be more interesting.


I'm still not really happy with the footwork but i dont really know how to change it though

In the sceond one i made the right foot go in the same direction as the other one and also made the sword move slightly different:



I think it looks weird how he slides on the ground and also the swrod seems to be snapping back and forth

I made the side of the knight a little bit brighter because i thought it looked a bit dark there

Hey,

It was in fact supposed to be a knight with a metallic armor.
So i looked at your edit with the knight and tried to make my original version have a more metallic texture.

This is the Result:


I'm already much happier with this but i still feel like theres something missing from it though i'm not quite sure what it is.
Also I'm not sure what you mean with Demo, via Arne ?

Thanks for taking the time to help me out!

Edit:

I was bored so i fiddled around with it a little bit more and this is what i've come up with


In this reduced the amount of colors used in this and tried to reduce the contrast while containing the metallic texture.

I also did another one:

This is my favorite from the ones i posted but im sure there is still much to improve there

I would love to hear your opinions to this!
Also I hope its okay that I'm editing this post that often, but i just cant stop to reiterate my character.