Quick and easy recipe for the Barroth from MHW: Board Game

Undercoat

1. Prime Black (I used Black via airbrush)
2. Mid-Zenithal Highlight with Cold Grey (via airbrush)
3. Top-Zenithal Highlight with Dead White (via airbrush)

Base Skin/Scales

1. Overall wash/tint with Gore-grunta Fur (I did 2 thinned passes with airbrush)
2. Heavy drybrush Skrag Brown
3. Drybrush Deathclaw Brown
4. Light drybrush Bestigor Flesh
5. Final super-fine drybrush by mixing some Zandri Dust into the previous step
6. Pick out teeth with Zandri Dust
7. Block in claws with Black Templar

Quick varnish to lock-in the base tones

1. Ultra Matte Varnish