Ursus recommended the extermination of primitive humans: "Our great Lawgiver tells us that never, never will the human have the ape""s divine faculty for being able to distinguish between evil and good.While keeping watch that night, Harry spotted a Patronus (a silver doe) and followed it to a small ice-covered pond, where he saw the Gryffindor Sword submerged in the water.After Tommy pulled out the stake, he was grabbed by Jason, now brought back to life, but Tommy wriggled away.It would later be revealed that the lessons in the school were entirely irrelevant and useless, and the medicinal reatments were ineffective and viewed as "magic.