The recipe for old weathered wood which i use in my Nighthaunt army

1. Basecoat with Skavenblight Dinge
2. Add a layer of Snakebite Leather
3. Overbrush with English Uniform
4. Highlight with Karak Stone
5. Add some patches of Slimy Grime Dark and Slimy Grime Light to random areas of the wood and feather out the transition