The orruks still haven't arrived, so I got a magazine from our shop with one Stromcast Eternal mini in it. It seemed interestingly different from painting ogres, so I tried it. I wanted it to appear worn out, a bit rusty and battered, lonely Stormcast left behind deep in enemy territory.
And I just couldn't manage to make it nice and well painted. The colours are off and it looks like dirt, but not in a way I wanted. So SteelStrongs post hit the mark pretty well: