Harry Potter and the Philosopher's Stone (video game) standing on a trap door which is guarding the Philosopher's Stone, a magical object which grants the user immortality. When Harry is almost killed during a game of Quidditch, by what appeared to be Professor Snape uttering a curse at him, Harry concludes that he is after the Philosopher's Stone. Harry, Ron and Hermione set out to stop Snape from retrieving the Philosopher's Stone by putting the three-headed dog to sleep with music and going through the trapdoor. The three face a series of obstacles that protect the stone which includes surviving a deadly plant, catching a flying key, playing
Harry Potter and the Methods of Rationality of "HPMOR" spontaneously burped itself into existence inside my mind, so it came out as a Harry Potter story. ... there's a large number of potential readers who would enter at least moderately familiar with the Harry Potter universe." He states that his work on rationality "informs every shade of how the characters think, both those who are allegedly rational and otherwise". He also used it to assist the launch of the Center for Applied Rationality, which teaches courses based on his work. Unlike J. K. Rowling's original books, in which the orphaned Harry Potter is raised by the abusive