Fortitude +23, Reflex +20, Will +26
Arcana +27, Deception +26, Diplomacy +24, Religion +24
Greater Darkvision
Common, Diabolic, Draconic, Empyrean
Fire
Physical 10 except Silver
Holy 10
Actions & Abilities
Claw
Damage: 3d8+8 Slashing
Searing Words
Damage: 1d6 Fire, 3d10+8 Mental
Telepathy 100 feet
Personal Library
Any tomes an ayngavhaul is reading or referencing for their current work can be stored in the devil's personal library, a floating collecting of tomes revolving around the devil that can be used offensively or defensively. Retrieving or returning a tome requires an Interact action.
Spellblock Tome
Trigger The ayngavhaul is targeted by a spell
Effect The ayngavhaul flings a tome from its personal library at the spell. The devil must attempt a . On a success, the tome fully absorbs the effects of the spell and burns up into a harmless pile of ash. Regardless of the result, the devil can't use this ability again for {1d4 rounds}.
Herald Heresy
The ayngavhaul imparts blasphemous thoughts into the minds of all non-devil creatures within a up to 60 feet away. An affected creature takes 2d10[mental|options:area-damage] damage plus 2d10[spirit|options:area-damage] damage and must attempt a save. Affected creatures gain a cumulative +1 circumstance bonus (up to a total of +4) to saves against all future attempts to Herald Heresy for 1 minute, as they become inured to the blasphemies.
Critical Success The creature is unaffected and becomes temporarily immune for 1 hour.
Success The creature takes half damage.
Failure The creature takes full damage and becomes Slowed 1.
Critical Failure The creature takes double damage and becomes Slowed 2.
Poison Minds
Creatures hit by the ayngavhaul's searing words must succeed at a saving throw or become Stupefied 1 for 1 round (or Stupefied 2 on a critical failure). If the target is trained in Religion, they take a -2 circumstance penalty to their save.
Spellcasting
DC 33
Creature Abilities
Personal Library. Any tomes an ayngavhaul is reading or referencing for their current work can be stored in the devil's personal library, a floating collecting of tomes revolving around the devil that can be used offensively or defensively. Retrieving or returning a tome requires an Interact action.
Spellblock Tome. Trigger The ayngavhaul is targeted by a spell
Effect The ayngavhaul flings a tome from its personal library at the spell. The devil must attempt a . On a success, the tome fully absorbs the effects of the spell and burns up into a harmless pile of ash. Regardless of the result, the devil can't use this ability again for {1d4 rounds}.
Herald Heresy. The ayngavhaul imparts blasphemous thoughts into the minds of all non-devil creatures within a up to 60 feet away. An affected creature takes 2d10[mental|options:area-damage] damage plus 2d10[spirit|options:area-damage] damage and must attempt a save. Affected creatures gain a cumulative +1 circumstance bonus (up to a total of +4) to saves against all future attempts to Herald Heresy for 1 minute, as they become inured to the blasphemies.
Critical Success The creature is unaffected and becomes temporarily immune for 1 hour.
Success The creature takes half damage.
Failure The creature takes full damage and becomes Slowed 1.
Critical Failure The creature takes double damage and becomes Slowed 2.
Poison Minds. Creatures hit by the ayngavhaul's searing words must succeed at a saving throw or become Stupefied 1 for 1 round (or Stupefied 2 on a critical failure). If the target is trained in Religion, they take a -2 circumstance penalty to their save.
Source, license, and attribution
Source: Pathfinder Monster Core 2 (remaster-core-2026-08-10)
This product is licensed under the ORC License located at the Library of Congress at TX 9-307-067 and available online at various locations. All warranties are disclaimed as set forth therein. Attribution: Pathfinder Monster Core 2 (c) 2025, Paizo Inc.; Authors: Alexander Augunas, Jesse Benner, Joshua Birdsong, Logan Bonner, Jason Bulmahn, James Case, Jessica Catalan, John Compton, Paris Crenshaw, Adam Daigle, Katina Davis, Jesse Decker, Darrin Drader, Felix Dritz, Brian Duckwitz, Robert N. Emerson, Scott Fernandez, Eleanor Ferron, Hexe Fey, Benjamin Fields, Keith Garret, Scott Gladstein, Leo Glass, Matthew Goodall, Alice Grizzle, T.H. Gulliver, Sen H.H.S., Steve Hammond, Tim Hitchcock, Joan Hong, Vanessa Hoskins, James Jacobs, Brian R. James, Michelle Jones, TJ Kahn, Mikko Kallio, Jason Keeley, Joshua Kim, Avi Kool, John Laffan, Lyz Liddell, Luis Loza, Colm Lundberg, Ron Lundeen, Mahpiya, Philippe-Antoine Menard, Jacob W. Michaels, Patchen Mortimer, Dennis Muldoon, Andrew Mullen, Quinn Murphy, Dave Nelson, Jason Nelson, K. Tessa Newton, Tim Nightengale, Samantha Phelan, Randy Price, Stephen Radney-MacFarland, BJ Recio, Jessica Redekop, Mikhail Rekun, Patrick Renie, Alex Riggs, David N. Ross, Simone D. Sallé, Michael Sayre, David Schwartz, Mark Seifter, Chris Sims, Rodney Sloan, Shay Snow, Kendra Leigh Speedling, Amber Stewart, Jeffrey Swank, Tan Shao Han, Russ Taylor, William Thompson, Jason Tondro, Clark Valentine, Ruvaid Virk, Andrew White, Landon Winkler, and Linda Zayas-Palmer. Adaptation: Myth Meister PF2e Remaster Compendium, 2026. If you use this Adapted Licensed Material, please credit Myth Meister. The normalized rules records and rules-reference text in the Myth Meister PF2e Remaster Compendium are Adapted Licensed Material offered under the ORC License. Reserved Material in this product includes the Myth Meister name and logos, application source code, visual design and trade dress, and original campaign content. Pathfinder, Paizo, product logos, artwork, maps, trade dress, setting lore, characters, deities, locations, organizations, events, plots, and other Paizo Reserved Material are not included. Myth Meister is not affiliated with or endorsed by Paizo Inc. Expressly Designated Licensed Material: None.