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