Collector card bonuses
Successfully complete the indicated card set to unlock the corresponding bonus:
Extra Endurance for Harry: Successfully complete the "Quidittch" card set.
Extra Endurance for Harry: Successfully complete the "Wizards" card set.
Extra Endurance for Hermione: Successfully complete the "Witches" card set.
Extra Endurance for Hermione: Successfully complete the "Hags" card set.
Extra Endurance for Ron: Successfully complete the "Dragons" card set.
Extra Endurance for Ron: Successfully complete the "Classical Beasts" card set.
20 House Points: Successfully complete the "Beasts" card set.
20 House Points: Successfully complete the "Vampires" card set.
20 House Points: Successfully complete the "Giants" card set.
20 House Points: Successfully complete the "Goblins" card set.
Faster dragon chase task
Hold R on the first task of the Triwizard Tournament, to go faster than normal.
Maximizing Wingardium Leviosa
To maximize Wingardium Leviosa after you get three shields, take the big block you find on the second level of the Forbidden Forest everywhere with you on the level. You will eventually maximize the spell. This can also work with almost any other spell.