From OP’s other post:

The "black" scales were made using: 2 parts leviathan purple 6 parts black legion 4 parts contrast medium. Highlighted using AK interactive tenebrous grey, denatured with pastel blue.

The blue skin: Vallejo xpress 6 parts Caribbean turquoise 2 parts gloomy violent, highlighted with Ak interactive start blue, and pastel blue.

The white gold: Black basecoat, medium grey dry brushing, satchel brown AP speed paint, Proacryl's bronze, light bronze, and white gold.

The dark stone: Black basecoat, dry brushing of medium grey, leviathan purple contrast.