ConnorSB said:Alien
The first time I saw this, I was maybe twelve. And no one had told me about the alien life cycle. So when they are all in the infirmary and IT POPS OUT OF HIS CHEST... oh god it took me minutes to stop screaming.
Soel said:I'll add Irreversible and I Stand Alone (both are not "horror" films in the typical sense, but they could very likely scare you in a much more impactful way than many of the films discussed here.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.