From Pathfinder Guns & Gears, which isn't enabled.

Construct Dynamo

FEAT 12

Prerequisites Sterling Dynamo Dedication

Access You are an automaton or are otherwise from the ancient Jistka Imperium.

You've learned the secrets of Jistkan construct prostheses, allowing you to incorporate construct components into your dynamo and gain a portion of their magic. You gain a +1 status bonus to saving throws against magic, and your dynamo Strikes become magical.

Pathfinder Guns & GearsORC