I thought a demo showing an example of what jwtemp explained would be nice. Specifically, shooting an enemy, having blood splatter show up on them, but doing no damage.

Tick 42000, spec me, jebby. Watch as SFOD knifes me, takes no damage, yet magically gets a blood splatter on his helmet.
[ATTACH]lego_mafia_arena_shots_miss_SFOD.dem[/ATTACH]