Highlight with Deathworld Forest . Make these highlights quite chunky and extra thick on corners and curves.
Apply finer highlights of Death Guard Green , within the previous stages highlights.
Selectively highlight corners and curves with Krieg Khaki .
Mix a little White into your Krieg Khaki and add very small/specular highlights to coners.
Gold Visor
Basecoat with 1:1 Retributor Armour and Silver RLM01 Metallic .
Mix some more and Silver RLM01 Metallic into your basecolour so it is now roughly 2:1 with the Retributor Armour . Carefully drybrush a highlight on the central part of the visor.
Finish with a smaller highlight of Silver RLM01 Metallic within the previous stages highlight.
Add increasing amounts of Gore-grunta Fur to the base mix and shade the visor. I shaded it more heavingly on the left and right, but shaded a small amount in the recess all the way around. I did this is three passes, to add richness.
Finish with a fine line of Rhinox Hide all the way around, to seperate it from the armour.
Khaki Fatigues
Basecoat with a 1:1 mix of Karak Stone and Baneblade Brown .
Shade recesses with some thin Steel Legion Drab . You may want to enhance this shading in very deep folds or where the cloth meets other materials with a thin line of Rhinox Hide .
Pick out folds with and exposed areas with highlights of pure Karak Stone .
Mix some White into your Karak Stone and highlight more selectively.
Finish with small highlights of White where needed.
Dark Brown Leather
Basecoat with Rhinox Hide .
Shade deep recesses with some thin Abaddon Black .
Add chunky highlights of Doombull Brown .
Add fine highlights of Mournfang Brown .
Selectively highlight with XV-88 .
Mix some White into the XV-88 and finish with specular highlights.
Black Casing
Basecoat with Black .
Edge highlight everything with a thick line of Dark Reaper .
Highlight everything again, this time with a thin line of Thunderhawk Blue . This colour is a good place to put in some scratches too.
With Fenrisian Grey , selectively highlight upward facing edges, corners and prominent edges.
Finally, edge add small highlights to the centre of the previous highlights and corners with Blue Horror . Try to make them very small, dots if at all possible.
Grey Tubing
Basecoat with Mechanicus Standard Grey .
Shade with a thin mix of Mechanicus Standard Grey and Abaddon Black in recesses.
Add highlights of Dawnstone .
Highlight more selectively with Administratum Grey .
Mix a little White into the Administratum Grey and finish with some very small highlights.
Red Lens
Basecoat with Khorne Red .
Apply a highlight of Evil Sunz Scarlet over the raised portion, leaving a gap in the top right quarter.
Highlight a smaller area on the bottom left side only with Troll Slayer Orange .
Apply a small highlight of Lugganath Orange within the previous stages highlight.
Finish with a specular highlight of White in the top right corner.
Torch Light
Basecoat with Averland Sunset .
Glaze Fire Dragon Bright towards the edges.
Highlight most of the centre with Flash Gitz Yellow .
Mix a little White into your Flash Gitz Yellow and cover a smaller area.
Finish with a :white highlight in the centre. Make this highlight larger than you think you need to make it look more realistic. This is one of the rare times where we are not going for a very small final highlight.
Steel
Basecoat with Leadbelcher .
Wash with Nuln Oil . Adding glazes of Agrax Earthshade towards deep recesses, and where more interest is needed.
Highlight with mix some Silver RLM01 Metallic into the Leadbelcher and highlight.
Finish with some small Silver RLM01 Metallic highlights.