3 days in and perhaps twice as long to go...
I brushed him using Codex grey, Fortress grey and Skull White. Sorry there's no picture, the camera was being repaired. Still have to do the whip his wings and head details along with more body detail like the glowing parts.
Flame; Skull White, Bad Moon Yellow, Blazing Orange, Blood Red and Red Gore.
Skin; Chaos Black and Scorched Brown mix.
Horns; Graveyard Earth, small bit of Bleached Bone.
Skin; Tallaran Flesh, Ogryn Flesh.