The Lights of Winthrop Manor is an immersive level-0, self-contained adventure experience for 5e that is more reminiscent of the Call of Cthulhu TTRPG than traditional D&D. We wanted to find a way to take one of the most beloved horror concepts and make it viable for 5th edition in a way that actually conveys the tense and dreadful atmosphere of watching a horror film; our response to that was...