Audrey suddenly remembered something she read about a stone that worked as an antidote that was found in the stomach of animals, but it was in a book of urban legends.<br/><br/>"I...I think you would want to look in the stomach of a goat."<br/><br/>"Two points from Ravenclaw," Snape said coldly. "One for Samuals helping you, and one for accepting his help. I don't suppose you have a clue what its used for."<br/><br/>"It's an antidote for most poisons," she said defiantly. Snape did not reply immediately, which made Audrey think that she had been wrong and had just made herself look stupid.<br/><br/>"Indeed it is."