The early, heady, research-heavy phase of an RPG project is, to me, the beginning of a rollercoaster ride. During that phase, I cram my eyeballs full of historical research, classic RPG works, genre research, fiddly real-world stuff like evaporation and waste from cisterns, the nature of long-term road maintenance, the precise conditions for fog, the chemistry of a peat bog, the many uses of wax, and brick. The nature of a handful of world religions, folkloric traditions, spiritual belief sys...