Home >Feats >General Feats > Researcher You have access to a large archive. Prerequisite(s): Associate (an archive or library). Benefit(s): In any settlement that is the size of a small town or larger, you can spend 1d4 hours researching notes to gain a +4 circumstance bonus on a single Knowledge check. Get this book AND support this site! Section 15: Copyright Notice Pathfinder Player Companion: Agents of Evil © 2015, Paizo Inc.; Author: Thurston Hillman.