The woman you go to to buy potions from when you know you're going to have to fight a boss battle- she has a beastie to rip your hands off if you try to steal her goods, so don't try it! Her prices are better than the other potion sellers, but she seems a little wicked... Turns out, she and her beastie are working for the bad guys and you have a surprise battle against them at some point during the game!