Over the next 10 days between now and Halloween, I'll be counting down the scariest movies of all time. Today's installment gives you #10...
10: Prince of Darkness 
This low budget John Carpenter classic depicts a group of UCLA doctoral students who spend the night in a decrepit church to study an unusual religious artifact--which unbeknownst to them contains the liquid sentience of the anti-Christ, awakening in modern times.
This movie presents a creative, physics-based mathematical explanation for the eternal struggle between good and evil, and concludes with a twist ending that will make viewers afraid to look in the mirror after dark.
Prince of Darkness