LEGO Harry Potter: Years 1-4
37 Achievements
20-25h
Role Reversal
Defeat Harry (as Voldemort), in the Graveyard
3.5%
How to unlock the Role Reversal achievement in LEGO Harry Potter: Years 1-4 - Definitive Guide
Lord Voldemort costs 1,000,000studs from Madam Malkin's Robes.
Once you have him purchased start the level "The Dark Lord Returns" in Year 4 in Freeplay, make sure you select Lord Voldemort as your playable character (Harry will be auto picked).
Now make sure you are Lord Voldemort and the second character is selected on Harry (using / to change) now using Lord Voldemort switch to his Green spell (Avada Kedavra, the one with the skeleton for a logo) hold and aim at Harry. Bang, Harrys dead and you're 15G richer.
Note: This can only be unlocked by defeating Harry at the end in the Graveyard which is after walking towards the trophy after the lion+spider and yes the death eater really get in the way of this.
Here's a video
The graveyard is the setting for the battle at the end of the game. You will need to get all 200 gold bricks and do the bonus level before being able to do this trophy. See 'The Bonus Level is yours' for more information on gold bricks and unlocking Voldemort.
When you have Voldemort start the final level of the game, making sure to pick him. Harry will always be picked automatically. Do the level as normal until you reach the end of the maze and go to the graveyard. Switch to the second player and turn him into Harry, then switch back to the original player and turn him into Voldemort. Now choose 'Avada Kedavra' (the green spell), press , Harry will be demolished and you will receive this trophy.