LEGO Harry Potter Collection achievements

Defeat Bellatrix as any Sirius Black character variant in a duel

Collect 10 million studs in one level

Complete the scene where Hermione and Harry dance in the tent

Use the Time-Turner

Complete the game to 100% (Single Player Only)

Unlock all of the members of Dumbledore's Army (Single Player Only)

Complete All Story Lessons

Complete the Story Levels in all four years

Complete Year Four Story Levels

Use the Deluminator

Unlocked on hitting 50% game completion (Single Player Only)

Complete Year Three Story Levels