The collectors of the lost dead prefer to use complex theology or blunt warnings to gather wayward spirits, but sometimes a more direct approach is necessary. One of them shared a trade secret with you.
Benefit(s): The damage dealt by your disrupt undead spell increases by 1d6. It increases by an additional 1d6 at 6th level and every 3 levels thereafter (to a maximum of 7d6 at 18th level).
Pathfinder Adventure Path #139: The Dead Roads © 2019, Paizo Inc.; Authors: Ron Lundeen, with Crystal Frasier, Kyle T. Raes, Matt Morris, Mikhail Rekun, and Mike Welham.