I found that these settings gave me the best shadows' appearance: iBlurDeferredShadowMask=5
fInteriorShadowDistance=2500.0000
fShadowDistance=2500.0000
iShadowMapResolutionSecondary=4096
iShadowMapResolutionPrimary=4096
iShadowSplitCount=2
iShadowFilter=4
iShadowMode=4
iShadowMapResolution=4096
fShadowBiasScale=0.1500
iShadowMaskQuarter=4Edit: Screenshots: Without Enb: With Enb (Bleak Enb):