Painting the Forest Spirit - ZBrush Creature Design: Creating Dynamic Concept Imagery for Film and Games - page 591

8. We now want to create a falloff, so the darkening effect appears to increase toward the bottom of the im-
age. This will help create the impression of a key light falling off toward shadow and increase the contrast
and atmosphere of the image. The adjustment layer comes with a layer mask by default ( Figure 9-63 ) .
Figure 9-63: The adjustment layer comes with a layer mask attached as seen here. Click in the white rect-
angle to select it and make it editable.