Painting a Lord of Plagues for Age of Sigmar

Prime

1. Prime with Black through airbrush

Base Coat (In Order)

1. Flesh: Succubus Skin through airbrush
2. Axe Haft: Satin Black
3. Intestines: Screamer Pink
4. Boils and Stomach Goop: Green Sky
5. Leather Straps: Mahogany
6. Bone and Horns: Skeleton Legion
7. Armor: Caliban Green
8. Chainmail: Dark Silver
9. Loincloth: Red Oxide
10. Axe Head and Other Metal Decorations: Runelord Brass

Washes (In Order)

1. Skin Crevasses: 1:1 mix of Lahmian Medium and Carroburg Crimson , focused only on the crevasses and skin folds, and the areas around the open sores and wounds
2. Boils and Stomach Goop: 1:1 mix of Lahmian Medium and Mortarion Grime over a damp surface (after the base coat is completely dry!), allowing the shade to run only to the deepest points of the sores and not build up too much on the flat parts of the model
3. Chainmail: Black Wash liberally applied to dull down the metal even more
4. Axe Head and Other Metal Decorations: Flesh Wash undiluted but focused on recesses in the metal
5. Bases of Horns: 1:1 mix of Lahmian Medium and Agrax Earthshade run halfway up/down the horn from the base

Highlights (In Order)

1. Highlight skin with Antheaskin , blending into washes around wounds and boils
2. Entrails: Emperor's Children
3. Boils and stomach gunk: Yellow Green (70.954)
4. Armor: Warpstone Glow
5. Skulls and horns: Griffon Claw
6. Loincloth: Red Oxide
7. Brass weaponry and armor: Sycorax Bronze

Technical Paints

1. Boils and stomach: Nurgles Rot
2. Axe head: Nihilakh Oxide

Varnish

1. In airbrush, mix 2:1 Satin Varnish and Ultra Matte Varnish and apply in even coats from the bottom of the model up, ending with a 'highlight' application of varnish. Make sure not to over-varnish or apply too much to areas with technical paint to avoid dulling their effect.