How will this skill work now that regent details are relatively abstract? For instance, while we, the players might not be the most knowledgeable tacticians, some of our characters (like Arvour, Robhan or Anasatiae Daulton) would be. Whereas player might not spot an obvious trap or wrong tactics, the character might..
Not that the DM should tell the players the best course of action, of course, that wouldn't be the point, but.. .I don't know really how this could be reflected in game..