Blue armour

1. First prime the whole model with a black primer but I used Chaos Black
2. Zenithal the model from the top and around with Magic Blue to give it its armour
3. Recess shade with Drakenhof Nightshade
4. Then highlight the edges with Baharroth Blue

Silver metal

1. Basecoat the silver areas with Leadbelcher
2. shade all silver areas with Black Wash or Nuln Oil
3. Lightly drybrush the silver areas with Silver to give it a rough highlight

Gold

1. Basecoat with Retributor Armour
2. shade using Reikland Fleshshade
3. drybrush very lightly using Auric Armour Gold
4. do another light drybrush using Silver

Plasma incinerator(without plasma)

1. Cover the entirety of the gun with any choice of black paint
2. Drybrush the gun with Leadbelcher
3. Lightly drybrush Silver for rough highlight

Damage and chipping

1. get a small piece of sponge such as packing sponge then use Rhinox Hide to sponge on the edges of the model