This video shows how to build and prepare a base, ready to take the painting and detail up to display level.
The following paints and materials were used:
Games Workshop: Deathworld Forest, Morghast Bone, Agrax Earthshade, Athonian Camoshade, Astronomicon Grey
Vallejo: Neutral Grey, Black
Sand, Greenstuff, Slate/stone or other basing material, PVA Glue, Skeleton from Underworlds Warband
Rock material guide:
https://www.juliencasses.com/2012/11/how-to-make-rocks