Prime

1. Spray with Chaos Black (?? Or airbrush Abaddon Black ??)

Armour Edge Highlight

1. Todo

Metal Arm & Shoulder

1. Basepaint with Leadbelcher
2. Highlight/Dry rush?
3. Paint shoulder skull and crossbones with Retributor Armour
4. Wash with Nuln Oil

Leather

1. Paint all with Dryad Bark
2. Paint again with Rhinox Hide . Stay away from edges for edge-highlights

Krack Grenades

1. Basepaint with Corvus Black
2. Paint retaining loops with Warplock Bronze
3. Paint rings with Leadbelcher

Headtaker Belt-Pack

1. Leather in Dryad Bark then Rhinox Hide
2. Skull and edging in Retributor Armour
3. Grapple hook in a 1:1 ratio of Leadbelcher and Abaddon Black
4. Gun in Corvus Black
5. Notch on back of gun in Warplock Bronze
6. Necron head in Leadbelcher , washed in Nuln Oil then Agrax Earthshade