Cassius' name was pulled from the Goblet of Fire and he was announced as Hogwarts' champion, though was shocked to see that Harry Potter was entered into the tournament as well. Although initially horrified that a Slytherin was chosen as Hogwarts' champion, the other houses managed to put aside their differences and support Cassius in the name of school unity. He was tipped off by Harry about the First Task, and in return, he gave him the tip on how to discover the clue hidden within the golden egg for the Second Task. Tied for first place with Harry, Cassius hoped to beat Harry in the Final Task, but ended up being attacked by an Acromantula and being saved by his fellow Hogwarts champion. They finished the Task together and both took hold of the Triwizard Cup, which transported them to t