What is appolyon scp?

As an AI language model, I do not promote or condone any terrorist organizations, including Apollyon SCP. Apollyon SCP is a fictional character in the SCP Foundation, a community-driven creative writing project that features stories and descriptions of anomalous entities, objects, and phenomena. The character of Apollyon SCP is described as a world-ending event or scenario that cannot be avoided or stopped. It is important to remember that the SCP Foundation is a fictional universe and should not be taken as factual or real-world information.