Issue is undated. Estimated date based on analysis of brands and cover prices in the series. Issue indexed from GCD Error 12255 report by Ger Apeldoorn, who says the issue is the same as Secrets from the Unknown #149.
A man enters a castle determined to prove that there are no ghosts, but the events he experiences convince him that the castle is haunted, and so he flees. It turns out that the castle does not contain any ghosts, but is possessed by animated suits of armor and living stone gargoyles.