Grigori Gula

1. Prime with a cold gray
2. Wash with Crusader Skin
3. Drybrush with Necrotic Flesh then with something that I can't remember
4. Recess wash with Berserker Bloodshade
5. Highlight with Deepkin Flesh and Rainy Gray

Matagot Hag

1. Prime in warm gray
2. Wash with Crusader Skin
3. Drybrush the hag with Beige Red
4. Drybrush the thralls with Slaanesh Grey

Butcher Knight

1. Prime with black, zenithal with cold gray
2. Use Landser Grey for something

Prowler

1. Zenithal, gray over purple
2. Basecoat whole model in Demonic Skin
3. Picked out fleshy bits with a mix of Murder Scene and Bugman's Glow

Fly Thralls

1. Maybe Landser Grey for these?

Grail Thralls

1. Zombie Flesh basecoat