So I never actually liked the result with the Kinght. It is OK, but it is far from how a corrupted, ancient machine should look like. (And it is very far from a Golden Daemon winner.) After my little experiments with oils, I decided to give the Knight a doover. The edges got some serious highlighting, the deeper areas got some grime and shadows -it now looks much better (still no Golden Daemon) than before.
Now I can do something about the former, not much about the latter… so oil paints here I come.
All this gave me a serious push to finally start my Chaos Warhound Titan I bought long-long time ago.