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