Although they cast Expelliarmus and deduct ten house points, you can cast combat spells at teachers.
Common Room Access
To access the Ravenclaw or Hufflepuff common rooms, simply ask a student belonging to either house for access. However, to access Slytherin's common room, you must use your Invisibility Cloak, head to the dungeons, and a student there will open their common room for you. (Remember, you'll have automatic access to the common room of Harry's house, Gryffindor).
Completing Flitwick's mini-quest
The Charms book you need for Professor Flitwick's essay is in the Great Hall. It is being read by a Ravenclaw student sitting next to the fire.
Completing Swamp Boxes quest
You will first help Luna Lovegood in the Clock Tower Courtyard. After talking to her, use Wingardium Leviosa on a bench and move it to the small "X" by the pear tree. Climb up and Reparo the roof. Use Reducto on the "X", then levitate the Swamp Box down. Climb down; the box should be on the big "X" near the fountain. Step back and cast either Incendio or Reducto. The Swamp Box will explode.
Next, you will then help Ginny Weasley in the Transfiguration Courtyard. After talking to her, use Wingardium Leviosa on the Swamp Box in the tree. A Wizard Encounter with then begin with some Slytherins. Once you defeat them, use Wingardium Leviosa on the box again and move it to the big "X". Use Incendio or Reducto. The Swamp Box will explode.
Finally, you will go to the Paved Courtyard. No one will be there to tell you what to do, but Ron and Hermione will talk to you. Walk up the stairs and go along the path until you reach the broken pipe. Use Reparo. Climb up the pipe, jump onto the ledge, go past the second pipe, climb up the third pipe, jump onto the roof, run along the rooftop, use Wingardium Leviosa on the Swamp Box, and drop it off the roof. Climb down to the ground. Use Incendio or Reducto. The Swamp Box will explode. Ron will tell you that you are finished.
Defeating Voldemort
When playing as Dumbledore fighting against Voldemort, do not try casting Levicorpus or Petrificus Totalus as they do not work against him. When Voldemort is on the platform the first time, you can only hurt him when he unleashes his stored power at you. Use Protego to deflect his magical blast.
Discoveries in Room Of Rewards
Use Wingardium Leviosa on the feather duster in the Trophy Room. Hold it over the two dusty trophies next to it, and it will clean them. Then, examine each trophy. Those four Discoveries will register a 100% on the Marauder's Map.
Flitwick's Charms O.W.L.
After you complete Professor Flitwick's mini-quest, the Charms room will become unlocked. Go inside and talk to him. He will call out spells that you need to cast on certain objects. If you pass and get an "Outstanding", it counts it in the Room Of Rewards. The order he calls the Charms in is as follows:
1. Wingardium Leviosa: Use it on a bench.
2. Reducto: Use it on a statue of a bird.
3. Reparo: Use it on the pile of broken dishes.
4. Accio: Use it on a rope near the fireplace.
5. Depulso: Use it on a chair.
6. Accio: Use it on a rope near the fireplace.
7. Incendio: Use it on the plaque.
8. Reducto: Use it on a statue of a bird.
9. Reparo: Use it on the pile of broken dishes.
10. Wingardium Leviosa: Use it on a bench.
Flitwick's Mini-quest
The Charms book you need for Professor Flitwick's essay is in the Great Hall. It is being read by a Ravenclaw student sitting next to the fire.
Flying Creatures
The following flying creatures must be found for the Room of Rewards.
Seagulls can be found at the boathouse.
Crows are at the Stone Circle.
Pixies are in a desk in the Defense Against the Dark Arts room.
Doves are at the bridge at the Viaduct.
Bats are below the Stone Bridge. Go to the Stone Bridge and light all the torches with Incendio. Then, climb down the pipe shown and maneuver your way to the bottom. You will discover the bats.
Fred And George Hidden Parcels
When you are outside, look for small patches of grass on or near pathways. If they flash when you walk by them with your wand out, try casting Accio on them. A Fred and George Hidden Parcel may appear. You can find these most commonly in the Stone Circle and behind Hagrid's Hut (including the pathway into the woods).
Game Boy Advance Harry Potter And The Goblet Of Fire Reference
When you are in the Paved Courtyard, you may hear notes being played. They are the same notes from the Erkling's flute from Harry Potter And The Goblet Of Fire on the Game Boy Advance.
Helping Colin in Owlery
When you are helping Colin with Fred and George's boxes at the Owlery, stand in the center of your area when he sends the very last box to keep it from falling down the stairs.
Herbology Discoveries
In the Herbology classroom, walk into the room with four flower pots on a table. You will see a bucket hanging on the ceiling above the dancing water can. Wingardium Leviosa the bucket and let it hover over each of the pots. It will pour dirt into them. Then Wingardium Leviosa the water can. Hover it over each dirt-filled pot until it spews water on them. Spikey-plants will grow. You will receive Discovery Points. Then, go to the entrance of the Herbology room. Walk forward into the dead-end hallway directly in front of the door in the classroom. You will see a rope hanging up in a corner. Use Accio. It will air out the room and give you Discovery Points.
House Ghosts
To reveal the House Ghosts needed for the Room of Rewards, find the fallen portraits throughout the Hogwarts corridors. Use Wingardium Leviosa to hang them back up on the wall. The Bloody Baron's portrait is in the Dungeons. The Grey Lady's portrait is near the library on the second floor. The Fat Friar's portrait is on the first floor near the exit to the Stone Bridge.
Howlers
When you ascend or descend the steep, narrow staircase that connects the Dungeons to the Viaduct Entrance, you can hear howlers being played.
Library: Portrait Shortcut
Go to the library and talk to the portrait that wants to know the headline of the Daily Prophet. Then, go to the Great Hall and walk up to the front table and turn to face the crowd. You will see a podium with candles on it. Cast Depulso for Discovery Points and Incendio to make candles appear everywhere. Cast Wingardium Leviosa and an owl will drop a newspaper on a table near a Gryffindor student. Examine the paper. Then, go to the library again. Talk to the portrait. The password turns out to be 'No news is good news.' This shortcut leads to the fourth floor.
Locket from books reference
There is a hidden reference to the seventh book during the time at Grimauld Place during Christmas. When you are helping Ginny find Kreacher's items and you pull off the painting from the wall, notice the locket hanging from the wall. Ginny says it will not open. This is one of the Horecrux that is mentioned in the sixth and seventh books. It is R.A.B.'s Locket, which he stole from Voldemort.
Luna's Lost Belongings
In the Entrance Courtyard. Use Wingardium Leviosa on the broom and sweep the leaves on the right side of the courtyard.
In the Great hall on the table.
In the Viaduct Entrance in front on the bookcase next to the stuttering portrait.
In the Clock Tower Courtyard directly in front of the Fountain.
In the Library on the table.
Owlery: Helping Colin
When you're helping Colin with Fred and George's boxes at the Owlery, stand in the center of your area when he sends the very last box to keep it from falling down the stairs.
Percivel Pratt: Shortcut To The Boathouse
Find the portrait on the fifth floor of the Grand Staircase that rhymes. He will tell you to find the portrait with three faces. Go to the seventh floor corridor and find that three-faced portrait. He will tell you to ask Professor Basil Fronsack. Go to the third floor and ascend the stairs to the Defense Against The Dark Arts room, but stop at the talking gargoyle. Take the passage beside him. Keep going until you reach the portrait just before the Charms room. He will tell you to find the shepherdess on the second floor landing. Go back the way you came, but go through the door on the left before you reach the stairs to third floor. Go down the stairs until you see a portrait of a lady in pink with a staff and sheep. She says to see Google Stump in the Viaduct Entrance. Once there, go to the only portrait in the area, next to a bookcase. He says to ask Gifford Abbott. Go all the way down the stairs in the Grand Staircase. He is the last portrait before you get to the entrance. He tells you that the password is 'This password is absurd.' Go back to Pratt's portrait and tell him.
Portrait shortcut in library
Go to the library and talk to the portrait that wants to know the headline of the Daily Prophet. Then, go to the Great Hall and walk up to the front table and turn to face the crowd. You will see a podium with candles on it. Cast Depulso for Discovery Points and Incendio to make candles appear everywhere. Cast Wingardium Leviosa and an owl will drop a newspaper on a table near a Gryffindor student. Examine the paper. Then, go to the library again, and talk to the portrait. It will tell you the password is "No news is good news." This shortcut leads to the fourth floor.
Room Of Rewards trophies
Successfully complete the indicated task to unlock the corresponding trophy:
Characters Cup: Meet all 58 characters in Hogwarts.
Defence Against The Dark Arts Cup: Cast all defensive spells in six duels.
House Ghost Cup: Find all four House Ghosts.
Nature Trail Cup: Find all animal footprints.
Room Of Rewards: Discoveries
Use Wingardium Leviosa on the feather duster in the Trophy Room. Hold it over the two dusty trophies next to it, and it will clean them. Then examine each trophy. Those four Discoveries will register a 100% on the Marauder's Map.
Shortcut to the Boathouse in Percivel Pratt
Find the portrait on the fifth floor of the Grand Staircase that rhymes. He will tell you to find the portrait with three faces. Go to the seventh floor corridor and find that three-faced portrait. He will tell you to ask Professor Basil Fronsack. Go to the third floor and ascend the stairs to the Defense Against The Dark Arts room, but stop at the talking gargoyle. Take the passage beside him. Keep going until you reach the portrait just before the Charms room. He will tell you to find the shepherdess on the second floor landing. Go back the way you came, but go through the door on the left before you reach the stairs to third floor. Go down the stairs until you see a portrait of a lady in pink with a staff and sheep. She says to see Google Stump in the Viaduct Entrance. Once there, go to the only portrait in the area, next to a bookcase. He says to ask Gifford Abbott. Go all the way down the stairs in the Grand Staircase. He is the last portrait before you get to the entrance. He tells you "This password is absurd." Go back to Pratt's portrait and tell him.
Snape's mini quest
The book you are looking for is difficult to find. It is in the restricted area on the far left in the second row from the very back. When you are close an 'X' will appear. Press it to retrieve the book. Then, return to Snape.
Swamp Boxes
You will first help Luna Lovegood in the Clock Tower Courtyard. After talking to her, use Wingardium Leviosa on a bench and move it to the small 'X' by the pear tree. Climb up and Reparo the roof. Use Reducto on the 'X' then levitate the Swamp Box down. Climb down. The box should be on the big 'X' near the fountain. Step back and cast either Incendio or Reducto. The Swamp Box will explode.
You will then help Ginny Weasley in the Transfiguration Courtyard. After talking to her, use Wingardium Leviosa on the Swamp Box in the tree. Suddenly you will enter a Wizard Encounter with some Slytherins. Once you defeat them, use Wingardium Leviosa on the box again and move it to the big 'X'. Use Incendio or Reducto. The Swamp Box will explode.
Finally you will go to the Paved Courtyard. No one will be there to tell you what to do, but Ron and Hermione will talk to you. Walk up the stairs and go along the path until you reach the broken pipe. Use Reparo. Climb up the pipe, jump onto the ledge, go past the second pipe, climb up the third pipe, jump onto the roof, run along the rooftop, use Wingardium Leviosa on the Swamp Box, and drop it off the roof. Climb down to the ground. Use Incendio or Reducto. The Swamp Box will explode. Ron will tell you that you are finished.
Talking Gargoyles
To find the five Talking Gargoyles for Dean, look in the following areas.
In the courtyard where Dean is standing.
The spiral staircase when you walk up to DADA.
In the Viaduct.
The fourth floor outside in the balcony.
In the Paved Courtyard.. You must repair the broken staircase in the corner. It is at the end of the balcony in the corner.
You can use Incendio on Talking Gargoyles for Discovery Points.
Tidying Up Hogwarts
Go to the Entrance Hall. Go in the small custodian room to the left of the large exit doors. Wingardium Leviosa the mop and hover it over each of the four odd tiles by the golden statue. It will clean them. You will get Discovery Points, and Hermione will talk, giving you a 100% on the Marauder's Map. Then, go to the Viaduct Entrance. Wingardium Leviosa the mop near the dungeon stairs and clean the odd tiles by the large staircase. You will get Discovery Points.
Trophy Room: Discoveries
Use Wingardium Leviosa on the feather duster in the Trophy Room. Hold it over the two dusty trophies next to it, and it will clean them. Then examine each trophy. Those four Discoveries will register a 100% on the Marauder's Map.
Using Spells On Objects
Any time you see any object begin to light up, cast spells until you find the correct one, then do it again on the others. If you see a student light up, then hold R1 and cast a dueling spell.
