My recommendations, in order to be completely accurate and clear:
Visitor: "If you target an anti-town player at night, you will die." -> "If you
successfully visit
an anti-town player at night, you will die."
Vengeful: "When you are lynched, you may target another player in the game to attempt to kill them." -> "When you are lynched, you may
kill another player in the game.
" (
pretty
sure vengeful kill can't be stopped)
Watcher: "You will not be informed what the abilities were." -> "You will not be informed what
actions those players took.
"
Ninja: "All actions you take will show up as no action to any hypothetical tracker, watcher or similar investigative role who targets you." -> EITHER "All actions you take will
not be detectable by a Tracker, Watcher, Follower, Voyeur, or Motion Detector.
" OR "All actions you take will
not be seen as visiting for any investigative roles.
"
And it might not be a bad idea to put a reminder in the mafia role PM's (or if not, at least in the OP of the mafia topic) that they can't kill and action.
Of course all these are minor, but I think they'll probably help to cut down on misinterpretations, at least.