1. Chaos Black spray with White Scar zentithal

Base

1. Base with Astrogranite Debris (keep feet free)
2. Paint skulls and aquila in Nazdreg Yellow
3. Paint concrete armor bits in Warplock Bronze
4. Paint whole base in watered down Basilicanum Grey
5. Drybrush with Light Grey

Assassin

1. Metal gun bits, headset, grenade, buckles in Oily Steel
2. Leather belt and holster in Dryad Bark
3. Black uniform and silencer in Black Templar
4. Shoulder holster in Khorne Red
5. Tassle and helmet wire in Sword Hilt Burgundy
6. Main gun body in Incubi Darkness
7. Ammo and gun parts in Warplock Bronze
8. Gloves in Red Leather
9. Headset faceplate in Bold Titanium White
10. Eyes in Baal Red
11. Wash whole figure in Nuln Oil

Assassin highlights

1. Highlight gun with silver chipping and edges
2. Highlight armor suit with Incubi Darkness and edge highlight with Thunderhawk Blue (or Incubi Darkness 50-50 Fenrisian Grey mix), if too bright glaze with Abaddon Black