LEGO Harry Potter Walkthrough Year 3, Level 3: Mischief Managed

Published on July 14th, 2010

There’s quite a lot of spell making in this level, so you’ll need to find all the ingredients. Some are very well hidden, so check out our guide to find them all!

In the room where you first start off, you need to find two keys to unlock the door. The red key is high up in the left-hand corner of the room next to the cobweb. Levitate the fiery torch on the side wall and burn down the vines that are wrapped around the key. You then need to levitate the key to the lock. For the yellow key target the wardrobe on the right side of the room and then build a statue. Shoot at the statue and it will release a key. Once again levitate it to unlock it. Now turn them both, you’ll need two characters to do this simulataneously.

When you arrive at the next open room there’s a number of things you need to do, including finding the ingredients to put in the cauldron. First up, you need to find the cauldron. There’s a large wardbrobe on the right hand side of the room. Hit it and then build the cauldron. Now for the ingredients. In the centre of the room put the blocks on top of each other in this order – Green, Red, Blue. Hit the Skeleton with a spell, grab the hand and put it in the cauldron.

There’s a small chest to the right of the main door. Hit the chest to reveal a snake and then target the Pixie (blue spell) who’ll drop a hammer. Levitate the hammer to smash the snake and you’ll get the second ingredient. The final ingredient is on the left side of the main door. You’ll need to target the object high up on the back wall and you’ll get the last ingredient for your strength potion. Now drink the potion and pull the heavy chain to exit the room.

In the next section, you’ll need to find the three ingredients to make an invisibility potion. The cauldron is trapped by vines so burn them away with your Lumos spell. There’s a spade near to the cauldron, use it to dig and you’ll find the first ingredient. Now go back to by the entrance where you came in and use the Riddikulus spell on the boggart (spider) in the chest. Switch to Harry and use him to speak to the snake. You’ll then be able to build an object that lets you go down the side of the building where you’ll find a spider’s web and the second ingredient. Target the fountain on the lower level and then build it so you have a wheel you can turn that gives you access to the upper level. The final ingredient is on the upper level. Stay out of the way of Argus Filch and the cat and jump through the window in the centre of the balcony to get the chicken leg.

Put all the ingredients in the cauldron and then both characters should drink the potion at the same time to go invisible. You can now both go to the upper level and walk past Filch without being seen. You’ll need both of you to activate the pully system at the same time when you get past Filch. You’ll open the gate and you can now leave the area.

To exit the next corridor, just target the small chest on the left hand side of the room and then build a cello. That will play and the man in the painting will drop a key that you can levitate to the lock on the left hand wall.

Next Level – Level 3, Patronus Charm Lesson

We’ll be adding to our LEGO guide over the coming weeks, so be sure to check out the main Harry Potter page for more information and to continue the walkthrough.

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    LEGO Harry Potter Walkthrough Year 3, Level 3: Mischief Managed

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    Comments

    1. Posted by abby on July 29th, 2010, 20:12 [Reply]

      erm do u no any more levels on year3

      • Posted by Simon Williamson on July 30th, 2010, 12:58 [Reply]

        Click on the link on the bottom of the page Abby where it says Harry Potter – that will take you to the other levels.

    2. Posted by Cindy Collins on August 3rd, 2010, 21:42 [Reply]

      How do I get past Flitch to get to Hogsmeade in Lego Harry Potter Year 3 on Nintendo DS?
      HELP!!!

    3. Posted by DaN on August 21st, 2010, 04:28 [Reply]

      Cindy — use the invisibility cloak

    4. Posted by Aj on August 26th, 2010, 19:43 [Reply]

      In year 3 not in a level but when u follow the ghost u get to a door that you cant get past cuz theres something in the way If it helps there a giant gaurd kind of guy And theres three statues How do i get past the door

    5. Posted by lauren on December 29th, 2010, 21:39 [Reply]

      I haven’t learnt the inspecto ptronom how ever ya spell it spell re one that stops the demonentors, and I can’t hit the wardrobe on the right hand side of the wall, do I really need o learn thy spell if so where can o go to learn iy

    6. Posted by lauren on December 29th, 2010, 21:41 [Reply]

      no worries it’s sorted

    7. Posted by Bobbi McClelland on December 15th, 2012, 22:09 [Reply]

      how do you get past this level as one player?? its kinda crap that so far i have been able to do everything alone, and now i cant complete this one cause i am one player

    8. Posted by Chloe on March 13th, 2013, 14:49 [Reply]

      Zap mrs norris and he lets go of the player he’s got hold of.

    Reply

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