LEGO Harry Potter Years 1-4: Year 4 Bonuses - Walkthrough LEGO Harry Potter 1-4 guide, walkthrough

Gryffindor (red): Find eight flames which you can extinguish with the water from the barrel (WL).

Slytherin (green): To the north of the hungry book you will find a locked tent which you can open with (DM).

Ravenclaw (blue): After fixing the car, head down - you will find a pile of silver chests. Destroy them with (RD) and dig up the painting. Wave to it with a Ravenclaw student.

Right next to the location where you begin, on the right, you will find a locked booth. Remove the padlock with (RD).

Ginny (Hooded Top): After jumping over the flames, head down and use magic on some planks and chests.

Barty Crouch Junior: By one of the ingredients there's a chest - get rid of the padlock with (RD).

Death Eater: Right beside and below the hungry book you will find a black sphere - destroy it with (DM).

Gryffindor (red): You have to use magic on nine lamps. They're very hard to miss. The first one can be found at the very beginning; the second after passing next to the red dragon; the third one behind the blue flames; the fourth one by the green dragon; two more by the second blue flames; the seventh by the blue dragon; the eight before the brick bridge and the last one after getting off the bridge

Hufflepuff (yellow): Once you put the green dragon to sleep, hit the yellow key a couple times.

Ravenclaw (blue): Right next to the blue dragon cage you will find a skeleton - use (DM) on it.

Slytherin (green): A bit further after getting across the bridge you will find a chest with two locks - destroy them with (RD), use (WL) on the chest and then (WL) once more to assemble a dragon which will melt the wall with the crest behind it.

In the second location, after unlocking the chains, you will find a safe on the right. Use a character with a key to free the student.

Durmstrang Student: After crossing the second blue flames you will find a black showcase - use (DM) o it.

Cedric (Sweater): Right after crossing the brick bridge, you will find a safe - use a character with a key.

Dragon Handler: In the second location, right at the beginning, you will find a padlocked chest - destroy it with (RD).

Gryffindor (red): After assembling a staircase from the three colourful bricks, a part of the crest will appear at the upper part.

Ravenclaw (blue): During the dragon escape scene, in the third room on the left side.

Hufflepuff (yellow): At the very start you will find three large rocks - stand behind them and wait for the dragon to destroy them with his tail. Afterwards use (DM) on the leftovers.

Slytherin (green): At the beginning, as you're going to the right, three rocks will be thrown onto the path - they're easy to notice - use (DM) to destroy it with the dragon.

During the dragon escape scene, inside the locked wardrobe on the right in the third room. Use (RD) on the padlock.

Cedric (Dragon Task): Right at the beginning, extinguish the flame using the water barrel (WL).

Fleur (Dragon Task): During the dragon escape scene, in the first room on the right side of the door.

Harry (Dragon Task): Right after using the dog and unlocking the door, you will find a black sphere which you can destroy with (DM).

Hufflepuff (yellow): Use (WL) on the three torches in the bathroom.

Slytherin (green): You can find four shelves in the bathroom - use normal magic on them. Three on the left above the sink, one on the right.

Gryffindor (red): After getting the shellfish from the tank, pull the chain to get the crest.

Ravenclaw (blue): After getting down, you will find a cabinet on the right side - use a character with a book.

On the opposite side of the entrance you will find a black cabinet - destroy it with (DM) and you will find the student inside.

Cedric Diggory: Eliminate the Dementor lurking in the chest using (EP).

Fleur (Lake Task): In the second location, right on the left you will find a padlocked cabinet - get rid of it with (RD).

Moaning Myrtle (Swimsuit): Right beside after beginning the mission you will find a black showcase - destroy it with (DM).

Ravenclaw (blue): Use normal magic on the nine shellfish. The crest detector is very useful here.

Gryffindor (red): There are three big rocks on which you can use (WL) to pull out two worms. Sea creatures will then arrive - use normal magic on them. The first one is at the beginning, by the first pipe; the second a bit further after defeating the octopus; once you're in the third part, after unlocking the anchors on both sides, put the (WL) into the rock.

Hufflepuff (yellow): Get rid of the ink released by the octopus using (LS).

Slytherin (green): In the second location, dive to the bottom - you will find a black chest there - open it with (DM) and assemble the skeleton (WL).

After swimming through the second pipe, head left. You will find a boat with a skeleton there. Put in both paddles (WL) and swim away with the boat (WL).

Harry (Lake Task): After swimming through the first pipe, head left. At the end you will find a skeleton with a chest - eliminate him.

Guitarist: In the second part of the level, swim down and in the bushes on the left you will find a chest - use magic on it.

Krum (Shark): After beginning the third part of the level, open the chest in the distance.

Hufflepuff (yellow): As you cross the labyrinth, Devil's Snare will appear five times - eliminate them with (LS).

Slytherin (green): During the fight with the last boss, use (WL) on three skeletons lying on the graves. The first one is in the lower left corner, the second in the lower right and the third one in the upper right.

Ravenclaw (blue): Right after you begin the labyrinth, on the left you will find a wall which can be destroyed with (DM). Go inside and you will find a digging spot.

Gryffindor (red): Right next to the spot where you place the arrow, you will find a wall - destroy it with (DM). You will go into another part of the labyrinth.

Once you enter the third part of the labyrinth, go in between the two green walls - a distinctive colour. Free him from the Devil's Snare (LS).

Cedric (Maze Task): Use magic on eight plants which are very easy to find. They let out yellow flowers. Nearly impossible to miss.

Fleur (Maze Task): After going through the first wall, turn into the alley on the left - at its end you will find a chest (which isn't visible) from which a Dementor will jump out. Treat him with (EP).

Victor (Lake Task): Right next to the spot where you place the arrow, you will find a wall - destroy it with (DM). You will pass to the other part of the labyrinth. You will find a digging spot there.