If they believe that Tarquin is planning on backstabbing them (which seems unlikely as these guys are all part of the same adventuring party) then it would be better to use existing divisions in the group than to invent new ones. And as for the cartel point, what product is the Legion self-limiting?
Also, I seriously doubt that an army (which would probably be made up of rather low-level people) would be able to take down Tarquin. Same thing with an assassin. Even if Tarquin knows all of, say, Miron's weaknesses, that doesn't mean Miron wouldn't be able to take him down in a fight. Or if all the Vector Legion went against him.
Finally,
Originally Posted by Forum Rules