![](http://static.miraheze.org/allthetropeswiki/4/4c/Terminator_in_flames_8645.jpg)
This is the stuff so horrifying that it can give people the creeps for years. This scares the pants off of just about anyone to the author/creator's delight. This makes you shrink in the back of your chair, look over your shoulder, and remind yourself that what's going on is (usually) only fictional.
This was also known as High Octane Nightmare Fuel.