Horror/Thriller relies on character fears, guilt, beliefs, eerie sound effects, relevant music and emotional instability to build tension and keeping the veiwer at the edge of their seats the Horrific identity is often not revealed until well into the work, or even at the very end.

The films are always aiming to make the veiwer jump of hide from the film, The best horror films are the ones were u can not watch but u really want to, and some technics hate used such as eerie music, the setting and some cut away shots such as a girl standing in a dark room were a cut away scene goes to a pickaxe dragging along the floor, this also builds up tension because you dont kn0w when the killer will attack.