pf2e.fyi
From Pathfinder Lost Omens Impossible Lands, which isn't enabled.

Drain Emotion

FEAT 9
RAREMENTAL
Activity 2 actions
Prerequisites Fey Influence
Frequency once per day

You touch an adjacent creature and attempt to draw out its excess emotion. Attempt a counteract check against a single emotion or fear effect affecting the touched creature. If you succeed, you gain temporary Hit Points equal to your level for a number of rounds equal to your Charisma modifier (minimum 1 round).

Special This feat gains the trait appropriate for your ancestry (human for human, goblin for goblin, etc.).
Pathfinder Lost Omens Impossible LandsOGL