Evis a mutie in the back…it carries on it’s merry journey and dies next to another player confused why this mutie suddenly had a heart attack. But you’re still standing finishing a cleave animation 30 metres away into thin air at initial contact point.
With psyker you can somehow explain that he’s channeling some warpy stuff Wi-Fi style across the room, but chainsword? I guess the mutant bro just dies to save your face in front of the teammates, that just stare at you while you rip&tear the air next to you with clenched teeth.