Humans are very visual creatures which is a great evolutionary advantage but when the lights go out we are left with almost nothing except our over-active imaginations.
Tonight’s RPG brainstorming topic is monsters (and other things) which prey in the dark. Dangers perfectly suited for the sloeblack darkness of a starless night or the pitch blackness of the underground. The monsters can be for any genre or setting, as long as they are at home in the dark.