One of each UT4 item works quite well, or just the blue itself.
Of course having a practical light source like a flaming sword or lightning hammer is much better if you are indeed using those weapon classes.
Also worth noting is that mutant animal blood glows. It's pretty neat lighting up a corridor with the gore splattered on your chest, and fleeing mutants can light up the entire way to where they're hiding!
System would indicate in graphic if person is mounted on horse or not.
Same system also show if person mounted on boar, elephant, polar bear etc.
Or if person mounted on ass.
Ivan find mounting on ass funny.