PAINT LIST:
Primers
Chaos Black
Wraithbone

Paints:
Balthasar Gold (base)
Creed Camo (contrast)
Black Templar (contrast)
Leadbelcher (base)
Seraphim Sepia (shade)
Pallid Wych Flesh (layer)
Elysian Green (layer)
Leadbelcher (base)
Corvus Black (base)
Blood Angels Red (contrast)
Seraphim Sepia (shade)
Rhinox Hide (base)

For touchups, 1:1 Wraithbone with seraphim sepia works well, keep it more like a glaze in consistency

1. Zenithal Prime with Chaos Black and Wraithbone
2. Base metal trim with Balthasar Gold (maybe use runelord brass instead)
3. Base shoulder pads with Creed Camo
4. Base weapon and undersuit with Black Templar
5. Base metallic details (bolter, backpack etc) with Leadbelcher
6. All over wash with Seraphim Sepia
7. Layer highlight armor with Pallid Wych Flesh
8. Layer highlight shoulderpads with Elysian Green (leaving creed camo showing in recesses)
9. Layer highlight metallics with Leadbelcher
10. Layer highlight blacks with Corvus Black
11. Paint eye lenses with Blood Angels Red
12. Highlight rivets and details with Seraphim Sepia
13. Sponge weather armor with Rhinox Hide