From Pathfinder Lost Omens Impossible Lands, which isn't enabled.

Rakshasa Ravaged

FEAT 9

Prerequisites expert in Occultism

You and your family know well the ravages of rakshasa predations, and you know how to best defend yourself against their growing corruption in the world. You gain a +1 circumstance bonus to saving throws against occult spells.

Pathfinder Lost Omens Impossible LandsOGL