Harry Potter and the Half-Blood Prince: Crests 41-60

#41

Under the stairs at the very bottom of the Owlery.

#42

Under the stairs on the 1st floor of the Owlery.

#43

Behind the bars on the top of the Owlery. You have to break the crest, carry it over to yourself and repair it with Reparo.

#44

In the very middle of the Quidditch Gate.

#45

In the left corner, behind the bench on the stairs leading to the Training Grounds.

#46

After getting up the stone stairs leading to the Training Grounds turn right and look in the corner. You need to use Incendio to get the crest.

#47

On the top of the big tower with yellow-black flags, by the Training Grounds. Knock down the crest in the opposite tower.

#48

On the Training Grounds, on one of the pillars on the left side of the tower with yellow-black flags.

#49

In the middle of the wall on the Training Grounds. You need to use Incendio to get it.

#50

On the Training Grounds, on the right side of the wall, on a small set of stairs before the wooden door.

#51

On the fork of the road, before the entrance to the Potions Club.

#52

On the left side from the Potions Club entrance. You have to break the crest by throwing it at the wall, get it through the bars and reassemble it with Reparo.

#53

To the right from the Potions Club entrance. You have to break the crest by throwing it at the wall, get it through the bars and reassemble it with Reparo.

#54

On the wall above the alcove, on the right side of the Potions Club entrance.

#55

Behind the corner of the wall to the right from the Potions Club entrance. Burn the web with Incendio to get it.

#56

In the Potions Club, between two building. Use Reparo on the crest.

#57

On the left, above the Potions Club entrance door.

#58

In the Potions Club, in the building on the right, between some bushes by the entrance.

#59

In the Potions Club, in the second part of the building on the right.

#60

By the window on the top of the stairs leading to the Boathouse.