From Pathfinder Lost Omens High Seas, which isn't enabled.

Heartless Debilitations

FEAT 10

You debilitate your enemies with ruthless and terrifying efficiency. Add the following debilitations to the list you can choose from when you use Debilitating Strike.

Debilitation The target gains weakness 5 to bleed and poison damage.
Debilitation The target becomes Frightened 1.

Pathfinder Lost Omens High SeasORC