Ok so after i dared to hazard a guess myself i finally got the perfect light_environment for a map with sky_borealis01 sky I'll leave it in here for anyone else who wants to use it xD
Brightness 64 0 0 200
Ambient 255 255 255 20
BrightnessHDR 128 0 0 1
AmbientHDR 64 0 0 1