Enter the paranormal! From the fringes, the unknown beckons, and the eight lost files of the Dark Archive arm you to explore, understand, and confront it. Unleash the untold power of your mind as the new psychic class or leverage supernatural secrets and mystic implements as the thaumaturge! As you pore over each casefile, you'll find paranormal player options like divine magic wielded by secret cults, eldritch pacts with powerful entities, and archetypes to skip through time. If you're a GM, you'll find options to turn your creatures into rumored cryptids, new rules for unexplained powers and mental battles, and more. Each file concludes with a short adventure to immerse players in the unknown, spanning every corner of the Age of Lost Omens campaign setting!