Complete 'The Lost Diadem' on any difficulty

Complete 'A Job to Do' on any difficulty

Play as Neville

Defeat 100 enemy wizards in the Main Story and/or Challenges

Complete 'The Basilisk Fang' on any difficulty

Complete 'A Problem of Security' on any difficulty

Complete any level without being defeated

Defeat 10 enemy wizards before they cast a spell

Trigger 5 explosive reactions

Defeat an enemy wizard from cover for the first time

Clear Mission 1.

Defeat 10 enemies with War Hammer.

Defeat 10 enemies with Ring Blaster.