The Presence is a ghostly arm reaching down from the sky. It was initially thought to be [[Year_Zero_Research#Drugs in Year Zero|drug]]-related hallucination, but this was debunked by people who claim to have seen or been affected by The Presence, but who are not under the effects of Opal or Parepin. [http://anotherversionofthetruth.com/end.htm] [http://churchofplano.com/default.htm] It has been suggested, however, that use of [[Opal]] or [[Parepin]] may intensify or increase the frequency of these encounters. People who have been affected by The Presence have described feelings of intense fear, insignificance, astonishment, and forgetfulness.
[http://www.anotherversionofthetruth.com/end.htm Gradiosity] describes his interaction with The Presence: