Here is the full list of all 41 LEGO Harry Potter: Years 5-7 trophies - there are 22 bronze, 15 silver, 3 gold and 1 platinum.
Acquire all trophies.
As Draco Malfoy, cast Tarantallegra at another character.
Cause the Inferi to destroy each other in the cave.
Complete 100% of the game.
Collect all Minikits.
Collect all the characters.
Collect all the Red Bricks.
As Draco, defeat Dumbledore in the Duelling Club.
Bank 100,000,000 studs.
Bank 10,000,000 studs.
Fail to put together puzzle pieces after six attempts.
As Voldemort, defeat Harry Potter in Duelling Club.
Defeat all duellers in each category.
Defeat all duellers in the Bonus Duelling category.
As Voldemort in a suit, defeat Arthur Weasley in a suit in the Duelling Club.
Defeat all duellers in the Death Eater Duelling category.
As Sirius, defeat Bellatrix in the Duelling Club.
Defeat all duellers in the Ministry of Magic Duelling category.
Defeat all duellers in the Order of the Phoenix Duelling category.
As a custom character, defeat Lily and James Potter in the Duelling Club.
Defeat all duellers in the Hogwarts Duelling category.
Defeat all duellers in the Dumbledore's Army Duelling category.
Defeat all duellers in the Open Duelling category.
Defeat all duellers in the Student Duelling category.
Use only Protego during a duel in the Duelling Club.
Take no damage when duelling in Duelling Club.
Complete Deathly Hallows - Part 2.
Defeat Voldemort without taking any damage.
As Molly Weasley, defeat Bellatrix without taking damage in the Final Battle.
Complete Deathly Hallows - Part 1.
Defeat one of each enemy.
As a Death Eater, cast at anyone in the Hogwarts Hub.
Complete Half-Blood Prince.
Create your own character in the character customiser.
Complete Order of the Phoenix.
Force any enemy creature to attack another.
Blind an enemy creature.
Cast Levicorpus on an enemy.
Cast Confundo on Kreacher in Grimmauld Place.
Achieve a single True Wizard Stud Total.
Enjoy all the fun in the playground.