This week on the Vintage RPG Podcast, we chat about Monstrous Arcana, a series of sourcebooks and adventures late in the D&D 2E days that explored three of the game’s most iconic monsters in alarming detail. The series is one of several crystal balls through which we can see some inkling of what 3E might be — in fact, the sourcebooks lead pretty directly to the excellent Lords of Madness sourcebook in a couple years.