velvet patrol
Ok so no brainers are:
- knockback (send people flying with an explosion
- damage (any type, whatever the current damage physics allow)
- loud boom with ringing ears
- controller vibration
The next fx can really cheese some epic effects by cheesing vr as a medium:
- shockwave cause the player to loose his gun
- blurred/mud vision (rub hands over face to clear it)
- character coughing dust
atomic lance