Get the Harry Potter and the Half-Blood Prince Online Strategy GuideCollecting the Crests hidden around Hogwarts unlocks the following rewards:
- 3 Crests - Two Player Dueling Pack 1: Draco & Luna
- 8 Crests - More health in duels
- 14 Crests - Two Player Dueling Pack 2: Training Ground Dueling Arena
- 21 Crests - Dungbombs in prank boxes around Hogwarts
- 29 Crests - Two Player Dueling Pack 2: Crabbe & Goyle
- 38 Crests - Score boost in flying events
- 48 Crests - Exploding Cauldrons in prank boxes around Hogwarts
- 59 Crests - Two Player Dueling Pack 4: The Transfiguration Dueling Arena
- 71 Crests - Max health in duels
- 84 Crests - Two Player Dueling Pack 5: Ginny & Hermione
- 98 Crests - Love Potion in Potions Club
- 113 Crests - Two Player Dueling Pack 4: Paved Courtyard Dueling Arena
- 129 Crests - More mini-crests with each cast
To unlock the Castle Gates multiplayer dueling area, enter this code at the Rewards Menu: RIGHT, RIGHT, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, LEFT, RIGHT, Enter
Submitted by Haz
When you see the shields behind the locked gates, use Wingardium Leviosa and hit it into a wall to break it. Lift the pieces out through the gate and repair the pieces to get a shield.
Submitted by acai2830