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