File: l2.ini
Find lines ( in 2 places or more, search by names ):
Brightness=0.800000
Contrast=0.700000
Gamma=0.800000
Change to:
Brightness=0.500000
Contrast=0.500000
Gamma=1.000000
Save.
Try playing with the values until you get the perfect result.
This is updated style. This RB have effects of Death boss ( smoke + weapon effects ). The rest is an idea. : )
P.S I have adapted death knight boss for Interlude and etc chronicles too. This is oldest work.