1. Prime black and set up highlight spots (could be just Chaos Black and Wraithbone zenithal)

Ghost sheets / bases

1. Airbrush core highlight section in Old Rose
2. Airbrush transition to Dark Magenta (also for base rims) then Royal Purple
3. Airbrush dark edges as Imperial Blue with very light Aquatic Turquoise highlight
4. Enhance brightest sections with Old Rose and Pale Sand brush highlights

Skulls & bones

1. Cover in Ivory
2. Base in Pastel Seafoam
3. Shade Drakenhof Nightshade
4. Highlight with Pastel Blue