oldschoolfrp Follow Let's go this way. (Erol Otus, from the 1981 printing of AD&D module S1: Tomb of Horrors, TSR.)#Dungeons and Dragons#dnd#Erol Otus#Tomb of Horrors#magic arch#magic door#adventuring party#dungeon#D&D#AD&D#Dungeons & Dragons#TSR#Great Green Devil