Diabolic Possession. What is happening when someone complains of demonic possession? Which mental illness corresponds to feeling possessed by a demon? Notes on Diabolic Possession. Author, Jorge Auristondo Vilches. – CULTURA – LIVE ON PATROL – LIVE WORLD TV GUIDE – US TORNADO WATCH –  Feeling possessed by a demon is a "delusion" and is related to various mental disorders, though it is … Sigue leyendo Notes on Diabolic Possession.