Skull Wall - Material Breakdown - Adam Sharp

https://gamesartist.co.uk/skull-wall/
Senior Environment Artist Adam Sharp breaks down the creation of this Wall of Skulls. In this article, he discusses his goals & inspiration, graph organization, base height setup, integration of baked skulls, subtle surface detailing with cracks & lichen, layering of moss, creation of albedo, edge highlights, roughness and final material blending.
https://www.artstation.com/nads
https://www.artstation.com/artwork/0lDJm5