Burrow Defender
One of the main events in the game is Slughorn̵7;s party. After the party is over, Harry Potter travels back to the Burrow where Bellatrix and Fenrir are waiting. Successfully fight off these two enemies to unlock the Burrow Defender achievement, which credits 20 gamer points to your achievement score.
Mystery Solved
To earn the Mystery Solved achievement, progress through the story until you uncover one of Slughorn̵7;s forgotten memories. This achievement unlocks after Harry Potter drinks the liquid luck potion and ends up in the Potions Club. Here, Harry makes a batch of fertilizer, then goes to Hagrid̵7;s. At this point, a cut scene plays, unlocking the Mystery Solved achievement worth 20 gamer points.
Quidditch Champion
A quidditch tournament against Ravenclaw begins after Harry uncovers Slughorn̵7;s missing memory and meets with Dumbleldore. The tournament consists of three games. The Quidditch Champion achievement, worth 30 gamer points, unlocks after winning the final game.
Escaped the Cave
Winning the final quidditch match against Ravenclaw prompts Harry to travel to the Potions Club to prepare a bottle of wiggenweld potion. He then meets with Dumbledore at the Astronomy Tower and proceeds to travel to a cave where three waves of skeletons await. Use the ̶0;stupify̶1; spell to combat the skeletons and escape the cave, unlocking the achievement worth 40 gamer points.