I had the pleasure of creating these materials for Neverwinter: Undermountain.
These rock materials were used to texture the custom caverns kit and terrain I created for Neverwinter: Undermountain.
https://www.artstation.com/artwork/14bLrL
https://www.artstation.com/artwork/G8k13B
Created in Substance Designer and presented in Marmoset Toolbag 4.
Cheers!
Master generator location:
https://www.artstation.com/artwork/lRzgv5