I'm at the part where I go back to Diagon Alley to get the Circe card during A History of Magic Class. I have 141 SP and 46 MP. I have one Wiggenweld Potion and seven Pumpkin Pasties. I can't beat the giant rat in Gringotts. I also have the spells Flipendo Uno, Vermillious Uno, Vermillious...