Ranking impostor abilities based on how useful they would be/are on crewmates

S+ tier Vanish:engineer alr nerfed impostors ability to kill a lot and this is basically spying on steroids,also works to run away from an imp who is trying to kill a witness or di tasks in dangerous places S tier Venting:engineer is a great role Kill:sheriff is also a super useful role Sabotage:doing stupid sabs to prevent imps from doing good sabs sounds great,you can also js visit electrical when sab cooldown is about to end and immadiately fix lights to prevent imps from making any use of sabotages F tier shapeshifting:its almost impossible to make any use of this as crewmate