After getting past the tasks, Harry find out that the Defence Against the Dark Arts teacher Quirinus Quirrell was trying to claim the stone. Snape had been protecting Harry all along. Quirrell removes his turban and reveals a weak Voldemort living on the back of his head. Harry becomes the possessor of the stone with magic. Voldemort attempts to bargain the stone from Harry in exchange for reviving his parents. Harry refuses. Then Quirrell attempts to kill Harry. Quirrell is killed after Harry burning his skin, reducing Quirrell to dust. Suddenly Voldemort's soul rises from the ashes and passes through Harry, causing Harry is knocked unconscious. 