1. Spray with Chaos Black

Black Armor

1. Base coat with 2-3 watered down/thin layers of 50/50 Abaddon Black and Iron Warriors until theres is a smooth coat
2. Darken the armor with 20/80 Wyldwood and Black Legion thinned with Contrast Medium so it doesn't hide the metallics
3. Edge highlight and a few random scrathes and chipping with Ironbreaker
4. Edge highlight extremes with Stormhost Silver
5. Recess wash with Rhinox Hide for a dirty effect

Trim

1. Base Coat with Gemstone
2. Highlight with Copper

Dark Leather

1. Base Coat with about equal parts Heavy Red , Beasty Brown and German Grey (maybe a bit more German Grey).