Hogwarts Daily Lottery

There is a student from the Eastern Empire in Hogwarts. No one knows that he actually traveled through time and awakened the sign-in system. Get the Invisibility Cloak and Time-Turner at the start! I heard that he was so talented that even Dumbledore asked him to be the dean! Snape pestered him every day hoping to answer his pharmaceutical questions! Cassandra wants him to teach her how to master her divination powers! I heard that even the person who no one could tell ended up becoming his house elf! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.