|Assassin Behind Closed Doors||15|
|Successfully complete 30 Ninja Kills during story mode.|
"Ninja Kills" are simply stealth kills on an enemy. If you kill an enemy while they're not alert, it should count towards this. Most effective way to earn this is to sneak up behind an enemy and hit the . Also, if you hold down the button, you can also execute a Zandatsu.
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User Score is based on 98 user ratings.