This is based on my SK buff idea, which apparently you guys hated.
you get one powerup. You can use this powerup at any time. You can still kill on that night. You will get a different buff depending on who you target that night. If you don't kill your original target, you get the TP buff.
If you kill a TI, you gain detection immunity and can choose a role to appear as to Investigators and Consiglieres.
If you kill a TP, all TPs will ignore you and you can choose to visit someone on non-full moons, which does nothing, but it is seen by lookouts, and you gain permanent Powerful defense.
If you kill a TK, you get Unstoppable attack permanently and you can choose to rampage at two people's houses every full moon.
If you kill a TS, you gain roleblock immunity and will not kill roleblockers (you get an option to kill them if it is a Jailor or Pirate). You also ignore Transporters.
If you kill a Mafia, any attackers will not get a message saying you were immune, and another benefit (see below)
If it is a MK, you gain permanent Powerful Defense.
If it is a MS, you gain roleblock immunity and will not kill roleblockers (you get an option to kill them if it is a Jailor or Pirate).
If it is a MD, you get three cleans (work the same as a Janitor clean, you also get to choose the nights you use them.) You can even use these cleans when jailed or pirated. If you are cleaning and you get rbed by an escort/consort, they will be cleaned. It cleans all players you kill, not just the original target. You even get their roles and wills!
If you kill a Neutral, you gain Unstoppable attack, and can choose any one of the above benefits (for example, you can gain 3 cleans, but you won't get attacker not seing the message, or you can gain Transporter immunity, but you won't get roleblock immunity.)
If you kill a Coven, control immunity, attackers won't get the message saying you were immune, and you can choose what you will appear as to the CL and PM.
If you kill a disguiser disguised as another role, you will still get the MD buff.
The powerup is lowest priority, so if you get the TP powerup and also get attacked by a Bodyguard, you still die.
This is just an idea, and this buff is probably really trash. Go ahead and vertroy it.