Next was Severus. He had argued with Severus for nearly an entire hour about his challenge. At the end, Severus conceded and created his challenge, but Severus made it impossible to pass. He spelled cursed flames in front of the exit, that would appear, if someone unknown enters this room. Then, he filled the empty potion bottles in different prank potions that the Weasley twins had created and put different doses of sleeping draughts. Severus smirked, when he was finished with his challenge and when Albus wanted to know, what he did, Severus just answered that it is a little secret, what challenge he had created.