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