From Pathfinder Lost Omens Ancestry Guide, which isn't enabled.

Invigorating Fear

REACTION

Activity reaction

Frequency once per hour

Trigger A creature within 60 feet gains the Frightened condition.

You are invigorated by the shock of a prank or the thrum of terror. You gain temporary Hit Points equal to the creature's level or 3, whichever is higher. You lose any temporary Hit Points after 1 minute.

Pathfinder Lost Omens Ancestry GuideOGL