Description:
Science: explore villages to find Psychonaut Villagers (or get one by placing a Chemistry Set as a workstation). They will sell a totally legal copy of the Miskatonic Science Journal, a smaller document outlining content such as the Resonator and the Chemistry Set (be sure to inform yourself about the latter, as it is used in most aspects of the mod!)
Occult Magic: to get started, find some cultists. Currently, the only cultists around are the Yellow Serfs in Villages. Some of them will wear crowns; they can sell you the Necronomicon. Unlike the Science Journal, the Necronomicon needs a lot of its entries to be unlocked. The Advancements Tab will guide you through this.
Wandering Traders: sometimes, Wandering Traders will sell you certain curios. Keep an eye out for them, as they may prove to be quite