Spell Tinker Benefits
You've learned to alter choices you make when casting spells on yourself. After casting a spell on only yourself that offers several choices of effect (such as resist energy or a polymorph spell that offers several potential forms), you can alter the choice you made when Casting the Spell (for instance, choosing a different type of damage for resist energy).
You can't use this feat if the benefits of the spell have already been used up or if the effects of the first choice would persist in any way after switching (for instance, if one of the choices was to create a consumable item you already used, or to heal you), or if the feat would create an effect more powerful than that offered by the base spell. The GM is the final arbiter of what Spell Tinker can be applied to.
Source, license, and attribution
Source: Pathfinder Player Core (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 Player Core (c) 2023, Paizo Inc.; Designers: Logan Bonner, Jason Bulmahn, Stephen Radney-MacFarland, and Mark Seifter. Authors: Alexander Augunas, Kate Baker, Logan Bonner, Jason Bulmahn, Carlos Cabrera, Calder CaDavid, James Case, Eleanor Ferron, Steven Hammond, Joan Hong, Vanessa Hoskins, James Jacobs, Jenny Jarzabski, Erik Keith, Dustin Knight, Lyz Liddell, Luis Loza, Patchen Mortimer, Dennis Muldoon, Stephen Radney-MacFarland, Mikhail Rekun, David N. Ross, Michael Sayre, Mark Seifter, Kendra Leigh Speedling, Mark Thompson, Clark Valentine, 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.