Reach the highest point in the castle, the Headmaster's upper study

Complete all Merlin Trials

Defeat a total of fifty enemies using Petrificus Totalus

Complete Poppy Sweeting's relationship line

Defeat Ranrok

Breed every type of beast

View all Pensieve memories

Use Ancient Magic on every enemy in the game

Rescue the phoenix

Wield a Deathly Hallow

Save a dragon

Helltower? More like hello-from-up-here-tower!