Astronomy Tower:
-Above the door leading to the spiralling staircase near the lion statue
-Behind a gate at the back of the library area
-Up and to the left of the exit
-Lion statue
Boathouse:
-On the stairs between the Entrance Courtyard and the Boathouse
-Above the door at the bottom of the long staircase
Path From Boathouse and Paved Courtyard:
-Sitting on the left side of the path in some grass
-Inside a box of fireworks on the left
-On the right wall behind a tree, there is a boulder on the ground just to the left
Charms:
-On one of the desks near the window
-On the opposite side of the room, on the wall
Clock Tower:
-On the back side of the pendulum
-On the very top floor of the Clock Tower, sitting near the gears of the clock
-On the very top floor of the clock tower, near one of the staircases
-Down the hallway at the top of the tower, above the door just before the statue
-Lion statue
Clock Tower Courtyard:
-Inside a box of fireworks in the center
-Laying on the ground in the corner, broken
-In an alcove to the left of the entrance to the Clock Tower
-Behind a tree to the left of the Covered Bridge
Gryffindor Common Room:
-Above the fireplace
-In the boy's dormitory, between two of the beds
-On the wall right next to the entrance to the boy's dormitory
Covered Bridge:
-Right in the middle of the bridge
Entrance Courtyard:
-On the left side of the entrance to the castle
-On the right side of the entrance to the castle
-On the side opposite Dumbledore's office, broken on the ground
-On a ledge just at the top of the stairs leading to the boathouse
-Inside a tree on a wall near the entrance to the Paved Courtyard
-Lion statue
Entrance Dungeon:
-Inside the hallway leading to the Paved Courtyard, above the door used to enter the hallway from the Grand Staircase
Entrance Hall:
Floor 1:
-In the room next to the Stone Bridge, above the door heading toward the Grand Staircase
Floor 3:
-There is a statue holding it in the inside curve of the hallway, throw a flower pot at it and grab it with Wingardium Leviosa
-Behind a gate next to the exit to the Suspension Bridge
Great Hall:
Grand Staircase:
-At the very bottom, under one of the staircases
-Look straight out from the platform near the entrance to the Great Hall and you'll see this one on a platform
-On a platform right next to the Library portrait shortcut, up and to the left if you are staring at the shortcut
-If you are on the platform where the door leading to Floor 5 is, it is up and to the right high on the wall
Hagrid's Hut:
-On top of the door of Hagrid's Hut
-Near Hagrid's Hut inside a tree
-Past Hagrid's Hut next to the Lion statue
-Along the path you walk up at the beginning of the game
-Along the path you walk up at the beginning of the game
-Along the path you walk up at the beginning of the game-Lion statue
Herbology:
-In the back of the greenhouse where Potions Club is
-On the wall above the door that leads to the Training Grounds
-Down the dead end near where a Dungbomb box appears, broken on the ground
-Hidden in the grass inside the greenhouse that leads inside the castle
Herbology Hallway:
-Right next to the door that leads to Herbology, inside a flower pot. Use Wingardium Leviosa to get it out
-Run down the hallway and hit A to jump at each of the banners hanging down to knock a crest off the third one
-Sitting on a bench
-In the room with stairs that leads up to the Library Hallway, high up on the wall
-Lion statue
Hospital Wing:
-To the left on a wall as you enter, near where the desk is
-Lion statue
Library:
-Near the room with the stairs leading down, on the wall, near the door to Charms Class
-On the floor next to a desk, before entering the actual Library
-In the back of the Library, on the right side
-In the very back of the Library, behind the gates
-Lion statue
Owlery:
-On the outside of the Owlery, knock it down with the nearby rock
-First floor inside the Owlery, under the stairs
-Second floor, under the stairs
-Top floor of the Owlery, behind the gate
Passage From Owlery and Quidditch Gate:
-There is a fireworks box at the bottom of the Owlery, use Incendio on it and repair the broken crest
-After reaching Crest Collector 4, there is a Dungbomb box at the entrance to the passage, use Wingardium Leviosa on it and throw the Dungbomb at the crest on the wall inside the passage
-Laying on the ground a bit further inside the passage, near the small pond
-Past the small pond, there is a rock on the ground and a crest on the wall, throw the rock at it
Paved Courtyard:
-On the wall next to the path leading down to the Boathouse
-Inside the covered walkway at the end opposite where the door is
-Inside a box of fireworks on the walkway up the stairs
-Go up the stairs and all the way to the end to find a crest behind a tree
Potions (and Dungeon Floor):
-In the room with a bunch of columns, on the archway over the exit
-In a small dead end at the bottom of a downward ramp
-Behind a gate in a small dead end room
-Behind a spider web next to the small dead end room
Quidditch Gate:
-Dead center of the Quidditch Gate
-In the tower next to the Quidditch Gate, look out the windows along the stairs and you'll see it. Pick up the flower pot down the stairs a bit, carry it up, and toss it out the window to hit it down
-Up the first set of stairs towards the Training Grounds, use Wingardium Leviosa on the bench in the corner and move it out of the way
Seventh Floor:
-If you enter from the Grand Staircase and count to the fifth archway, it's in the middle of the archway on the left
-Straight ahead from the last one, above the door
-Down the hallway with the banners, to the right on the wall
-Hit all the banners in the hallway
Passage Between Seventh Floor and Potions:
-At the top of the spiralling staircase, throw the chest straight across the stairs at the statue in the window
-At the bottom of the spiralling staircase, on the ground
-On the wall next to a torch
-On the ground next to a handrail on the right
Slughorn's Office:
-Entering the hallway to Slughorn's Office from the Grand Staircase, you'll come to a hallway with banners, hit them all
Stone Bridge:
-Above one of the exits
-On the side of the bridge in the open
Stone Circle:
-Above the entrance to the Covered Bridge
-To the left of the Covered Bridge, inside a tree
-Walk towards the Owlery and you'll see it sitting on the left
-Near the bottom of the hill towards Hagrid's Hut, far off on the right by the trees
Suspension Bridge:
-Above the door leading to the hallway to the Training Grounds
-Lion statue
Passage Between Suspension Bridge and Training Grounds:
-Next to the door leading to the training grounds
-At the bottom of the spiralling staircase behind the statue
Training Ground:
-Near the stairs leading to the Quidditch Pitch, in a small corner is a crest inside a tree. Burn the tree away and grab it
-Inside the fireworks box near the center of the Training Grounds
-Along the outer wall near the break in the wall, there is a crest on the left side, hit it down
-Along the outer wall to the right of the last one, there is a tree with a crest in it...burn it away and hit the crest down with the nearby Dungbomb
-There is a very small staircase between the previous crest and the entrance to Herbology, walk up to it and you will see the crest sitting on it
-There is a crest sitting right in the middle of the paths near the entrance to Herbology
-Behind a gate to the left of Herbology
-Behind a gate to the right of Herbology
-On the wall to the right of the previous crest, above the empty flower pot
-Around the corner from the last one, behind a spider web
-Lion statue
Transfiguration Courtyard:
-On the archway next to the Lion statue, near the portrait shortcut
-Inside the central tower of the courtyard, in the center of the tower you can see it sitting, use Wingardium Leviosa to nab it
-Run down the hall opposite the Herbology door and hit all the banners to make one drop
-On the wall next to the door to the Transfiguration Class
-Inside Transfiguration Class, above the exit
-Lion statue
Viaduct:
-Behind the statue to the right of the staircase
-Above the door leading down to Potions
-Above the door leading outside
-Outside on the bridge, next to the doorway leading inside the Viaduct
Viaduct Hallway:
-In the hall next to the Viaduct Entrance, above the door leading to the Transfiguration Courtyard
-Hit the banners in the hallway to drop this one
-Behind a spiderweb in the wall