Here is the full list of all 50 Harry Potter & The Deathly Hallows Pt. 2 achievements worth 1,000 gamerscore.
Get all achievements, 100% the game!
Defeat an enemy wizard from cover for the first time
Complete 'Gringotts' on any difficulty
Complete 'The Streets of Hogsmeade' on any difficulty
Complete 'A Problem of Security' on any difficulty
Complete 'The Basilisk Fang' on any difficulty
Complete 'A Job to Do' on any difficulty
Complete 'A Giant Problem' on any difficulty
Complete 'The Lost Diadem' on any difficulty
Complete 'The Battle of Hogwarts' on any difficulty
Complete 'Surrender' on any difficulty
Complete 'A Turn of Events' on any difficulty
Complete 'Not My Daughter' on any difficulty
Complete 'Voldemort's Last Stand' on any difficulty
Defeat 100 enemy wizards from cover
Defeat 10 enemy wizards from cover, without aiming
Complete the game on Normal
Complete the game on Expert
Complete the game on Advanced
Successfully use Protego against 100 spells
Successfully dispel 100 enemy Protego shields using Expelliarmus
Successfully Body-Bind 100 enemy wizards with Petrificus Totalus
Successfully defeat 100 enemy wizards with Expulso
Successfully defeat 100 enemy wizards with Confringo
Play as McGonagall
Play as Ginny
Play as Hermione
Play as Ron
Play as Molly
Play as Seamus
Play as Neville
Apparate over 100 metres
Defeat 50 enemy wizards using more than one spell
Use Protego to defeat 20 enemy wizards at close range
Defeat 10 enemy wizards with Protego deflections
Defeat 4 enemy wizards with a Confringo cast
Defeat 5 enemy wizards with one Impedimenta cast
Defeat 10 enemy wizards before they cast a spell
Defeat 100 enemy wizards in the Main Story and/or Challenges
Defeat 500 enemy wizards in the Main Story and/or Challenges
Defeat 1000 enemy wizards in the Main Story and/or Challenges
Find all characters
Find all Music Tracks
Collect 100% of all items
Complete any level without being defeated
Complete all challenges
Complete all challenges at Gold standard
Trigger 5 explosive reactions
Escape Voldemort with minimal damage to Hogwarts
Complete your first challenge