Bien-Tan guardian.
Heavy use of contrast paints and glazing.
Credit to Warhammer YouTube channel for most of the suit recipe and Wiltrichs Miniature Art for the green helmet.

General tips: leave helmet/heads separate from bodies. Batch painting is recommended. Wet pallet not required, but recommended. Gems will be found in a separate tutorial.

White Armor

1. Spray prime white or Corax White
2. Apply thin layer of Corax White to even out coverage
3. Glaze entire mini with 1:4 Apothecary White to Contrast Medium mix. Repeat a second layer once dry.
4. Thin Space Wolves Grey 1:4 with Lahmian Medium and carefully apply to darken select recesses
5. Thin Corax White to glaze consistency and apply to armor panels
6. Edge highlight armor panels with White Grey , White Scar would also work

Green Helmet

1. Get a solid Warpstone Glow base on the helmet
2. Mix Warpstone Glow , Rhinox Hide and black in equal parts. Thin to wash consistency and apply as recess shade and around bubbles(?)
3. Mix equal parts Warpstone Glow and Moot Green and glaze towards edges
4. Mix Warpstone Glow , Moot Green and Screaming Skull in equal parts and edge highlight or glaze at edges

Gun & Spare Ammo

1. Thin Black with Lahmian Medium and apply to gun and ammo in two coats.
2. Edge highlight with Eshin Grey
3. Fine edge highlight with Stormvermin Fur

Details

1. Metal bits. Base coat Iron Hands Steel , wash with Basilicanum Grey , highlight with Iron Hands Steel
2. Gem socket. Base coat with Dryad Bark , layer with Sycorax Bronze