I finally created a mesh(s) with textures created in Substance Painter.
My goal was to attempt to balance the 'stone' surface of his face, with flesh.
The helmet is meant to give a more threatening vibe.
Added extra fog in Photoshop.
Marmoset Render
Marmoset Render
Marmoset Render
Marmoset Render
Another version without red glow overkill & background.
Another version without red glow overkill & background.
Another version without red glow overkill & background.
Another version without red glow overkill & background.