Continue playing to unlock this secret achievement.
Use Shadow Leap 50 times
Learn all the powers and their upgrades.
Reach the destroyed Sanctuary in the destroyed apartment complex.
Earn ten experience rewards for completing areas without raising the alarm.
Kill 50 enemies who were neither suspicious nor hostile.
Use Vampiric Powers 50 times.
Subdue and then Feed on 5 enemies.
Find and use 7 PDAs during play
Distribute 20 Power points amongst the powers as desired.
Distribute 10 Power points amongst the powers as desired.
Meet Blooming in the museum catacombs.
Take out or Feed on 50 enemies.
Complete the tutorial.
Feed on an enemy.
Complete a level without tripping a single alarm.