Based off the 6th and 7th levels in the Original Unreal Campaign (Chizra and Ceremony), The Nali god of Waters halls of worship lie empty, but plenty of scrap remains. Light filters in from the Ceilings and your path lit by torches, so you won't have to worry about finding the breaker box, just watch your step and don't drown.
You can change these settings in Lethal Level Loaders Configs by setting "Enable Content Configuration" to true, and manually changing the values to your liking.