Rustcaller Toxin is not a tool of assassination, but instead a weapon of random terror.
A brace of sleep-related poisons.
..The inn was filled with the sounds of leather creaking and seams bursting, as muscles swelled and grew dramatically. Then came shouts of fury and rage as the mob began charging outside, into what would be a very bloody night.
Destroyer of Dynasties, Killer of Kings, Bane of Broods, Curse of the Ruling Elite!
There is a person who has a well-known reputation, probably involving something illegal. But this person is either very clever and crafty, or really like his or her privacy, for no one knows who this person actually is. As an added twist, perhaps this person is of an age that would noramlly be wildly inappropriate (say, a child is a much-feared bandit) or maybe not the expected gender or even race.