pf2e.fyi
From Pathfinder Adventure Path: Gatewalkers, which isn't enabled.

Minor Omen

FEAT 8
ARCHETYPEFORTUNEOCCULT
Activity reaction
Archetype Oatia Skysage
Prerequisites Oatia Skysage Dedication
Frequency once per day
Trigger You fail a Reflex save.
Requirements You can see the night sky.

The stars warn you of danger in the nick of time. Reroll the failed save and use the new result.

Pathfinder Adventure Path: GatewalkersORC