Blood Splatter
If you want to enable blood splatter effect you have to override "blood.csc", i already have a modified version you can download
Place this file in your:
mapname\scripts\shared
And in your zone add this line:
scriptparsetree,scripts/shared/blood.csc
Make sure you can override this script, by commenting it out in core_patch.csv
More info about this you can find here: Override existing assets