Painting the Forest Spirit - ZBrush Creature Design: Creating Dynamic Concept Imagery for Film and Games - page 604

7. Dial back the layer opacity to 65%. Select the eraser with a soft round brush. Set the eraser opacity to
10% and erase areas that are too strong. The purpose of this Multiply layer is to add contrast to the beard.
Figure 9-79: Paint in highlights with brighter white.
Figure 9-80: Sample light color from the rim light side.