SCP-966, Slender Fortress Wiki

SCP-966 also known as The Sleep Killer is a boss on Slender Fortress. SCP-966 is a monster that can only be seen through night vision or infrared devices, it looks like a tall lanky humanoid with an alien like face with a boney head, long sharp claws, greyish skin that looks like it is tightly wrapped on the entity and outstretched limbs, they are extremely slow in containment breach and takes up to 30 hits to kill the player and can appear anywhere in the facility after you encounter their cont

SCP-966 ENTERS OUR MINECRAFT SCP BASE!

Deep Blue, Part 1 - The Iron Horse: Everything's Better With Robots! - Fimfiction

Throne of Salt: December 2018

Guilt, Slender Fortress Wiki

Completed - FF2 Bosses Suggestion To Add

SCP-966 Sleep Killer Euclid [SCP Document Reading]

SCP-966, Slender Fortress Wiki

Completed - FF2 Bosses Suggestion To Add

SCP 4666 : r/SCP

Insurgency Metal Prints for Sale

SCP-049, Slender Fortress Non-Official Wikia

SCP-966 Villains+BreezeWiki