This is your field guide. Every person, creature, and relic (holy or otherwise) will be recorded in this. Consider it an abstraction of combined knowledge, experience, and house-keeping.
These are the organizations, cults, communities, factions, gangs, or any other gathering of people you have encountered in your travels:
These are the places you have braved, heard of, or might prove useful in your investigations:
The DPID has taken meticulous care to make sure that you and your fellow agents have up-to-date dossiers. Just in case:
These are the details of previously completed cases, forays, and adventures. This includes story details, foes encountered, and revelations revealed. The DPID encourages you to make this list as large as possible: