 It does not seem to be dangerous in itself. Not until you are caught and the Killer hangs you from one of the abhorrent Hooks. The Entity is an almighty malevolent being, travelling through the cosmos and slowly consuming worlds. The Killers are made to do The Entity's bidding, which is to relentlessly hunt and kill the Survivors. Many Killers do not do so willingly, although some are happy to sate their blood lust. Some have to be tortured over endless years to be coerced into doing it