A loci is typically a sage, scholar, scribe, or some other learned person whose passion for knowledge and reason has gained the attention of Nabu, the god of scribes. Nabu turns select individuals into loci, conduits for the interplanar archive of knowledge. Loci have no direct communication with Nabu, but they usually do not need one since they are so devoted to learning about the world that they obtain information for Nabu willingly.
Loci's powers allow them to peer into the past and discover things remotely about the present, making them exceptional investigators. All learned information is shared with Nabu, and while little is known about the god of scribes, it seems the ultimate goal is to absorb all knowledge into the loci to archive the planes a