Wearing psychic nullifer protects you against some of Game Master powers like:
-Incineration by eyes
-cubik2k electric storm
-forced teleport to prison (they need to kill you, remove PN to teleport you there)
-you cant be rerolled by DocAn when you wear psychic nullifer
-when your bot wear psychic nullifer it cant be detected by kilgore
-When wear PN you cant be banned when you are offline
-wearing PN change the damage formula for banhammer and holu spear to low damage and remove ban efect (again they need to remove PN before they ban you)
-wearing PN on dual log, multilog makes your cheat imposible to detect for kilgore
-If you wearing PN you can cheat and shoot through the walls in some locations
(Its just a rummors, Not confirmed
)