Knock Out is a Killer Perk. It is unique to The Cannibal until level 30, which it can then be taught to the other Killers.

Icon Perk Level 1 Perk Level 2 Perk Level 3 Description
120px-IconPerks knockOut
32 Meter 24 meter 16 meter The trauma caused by your brutal attacks makes crying for help painfully difficult. Dying Survivors' Auras  are not revealed to other Survivors when they are standing outside of a 32/24/16 meter range.

"Oh, that gun's no good. The old way... with a sledge! You see, that way's better. They die better that way." — Nubbins Sawyer

Trivia Edit

Knock Out is trumped by the following Unlockables: