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