This Lego Harry Potter: Years 1-4 walkthrough is divided into 86 total pages.
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YEAR 3-6: THE DARK TOWER FREE PLAY

Use Lucius Malfoy or other evil character with Dark Magic to replay this stage.

Character Token -- On the left side of the fountain you will find a padlocked door. Blast it with Reducto spell. Inside you will find the James Potter (Ghost) character token.

Keep going inside, then eliminate the Dementor to save a Student in Peril.

Character Token -- Lily Potter (Ghost) character token is in the chest in the cellar. Use Reducto spell to blast open the silver padlock.

Slytherin Crest Fragment (green) -- In the cellar, open the save just before the exit to unlock the green crest.

Character Token -- Break the window and jump into the room. On the left you will find a black cabinet which can be destroyed with Dark Magic to unlock Sirius Black character token.

Hufflepuff Character Token (yellow) -- Destroy six silver hippogriff statues. Two are next to the ladder; the third is above the entrance,

the fourth one by the bridge,

the fifth on the opposite side and the last one before the spiral staircase.
More Lego Harry Potter: Years 1-4 Walkthroughs
This Lego Harry Potter: Years 1-4 walkthrough is divided into 86 total pages.