SCP Foundation: Object Class Apollyon

Used for SCPs that are impossible to contain, or are about to irrevocably break containment. An SCP with this class will inevitably end the world.

SCP Object Classes

Object Classes SCP Foundation

SCP Foundation SCP 999 T-Shirt : Clothing, Shoes & Jewelry

What is SCP Foundation? - Yoors

SCP Classes (The known and unknown) PART 1

Used for SCPs that are impossible to contain, or are about to irrevocably break containment. An SCP with this class will inevitably end the world.

SCP Foundation: Object Class Apollyon

Anomaly Classification System (ACS) Guide - SCP Foundation

SCP Declassified

Explaining the Containment classes and secondary class of the SCP Foundation, Object classes