I made a gumroad account where i Will put my free materials, if i can help:
added more free materials on my gumroad:
obsidian procedural material:
Hero Skin procedural material:
gods iron procedural material
and made a tutorial, for the obsidian material:
New free material, red jasper on my gumroad: https://hokmaph.gumroad.com/l/LkzdP
Two new free procedural materials for Blender! Download and tell me what you think!