a creative moment

Final Gather

one time calculation of irradiance in scene
attributes to tweak:
shader>incandescence, ambient color, irradiance, irradiance color
light intensity

Color Bleed
add color to incandescence, ambient color
use lights (turn on Illuminates by Def)

Final Gather Rays (preview with 100)
Min Max Radius default 0
Max is 10% of total sq units of scene
Min is 10% of Max

Background Color of Camera

Render Globals
Rebuild Final Gather (if this is on off, then you will utilize Final Gather Maps)

Render Presets set in Render Globals