- Prime   Zandri Dust  
 - Basecoat robes with   Steel Legion Drab  
 - Wash robes with   Agrax Earthshade  
 - Drybrush robes with   Zandri Dust  followed by   Screaming Skull  - go quite heavy, as it'll be knocked back in the next step. 
 - Basecoat the powerfist with   Thrash Metal  
 - Basecoat the skin with   Cadian Fleshtone  
 - Wash the robes again with   Agrax Earthshade  , as well as the power fist
 - Wash the skin with   Guilliman Flesh  
 - Wash the power fist with   Basilicanum Grey  
 - Highlight the skin with   Cadian Fleshtone  
 - Stipple some   Speed Metal  on the fist for some quick highlights.