Base coat with 2-3 watered down/thin layers of 50/50 Abaddon Black and Iron Warriors until theres is a smooth coat
(Not sure about this - maybe just skip it) Darken the armor with 20/80 Wyldwood and Black Legion thinned with Contrast Medium so it doesn't hide the metallics
Wash recesses and shadowy areas (see also Trim) with a healthy amount of water mixed with 2:1 Warlord Purple and Ultramarine Blue
Wash recesses (see also Trim) with a healthy amount of water mixed with 2:1 Warlord Purple and Ultramarine Blue
Edge highlight 1 and a few random scrathes and chipping with Ironbreaker
Edge highlight 2 with Stormhost Silver
Trim
Base Coat with Gemstone
Wash with a healthy amount of water mixed with 2:1 Warlord Purple and Ultramarine Blue
Freshen up with Gemstone
Edge highlight with Retributor Armour
Edge highlight 2 with Auric Armour Gold or Stormhost Silver
Dark Leather
Base Coat with about equal parts Heavy Red , Beasty Brown and German Grey (maybe a bit more German Grey).