pf2e.fyi
From Pathfinder Lost Omens Character Guide, which isn't enabled.

Avenge in Glory

FEAT 1
UNCOMMONDWARF
Activity reaction
Frequency once per day
Access mountain dwarf ethnicity
Trigger An ally within 30 feet gains the Dying condition.

You honor your ally's life, gaining temporary Hit Points equal to your level for 1 minute. As long as you have these temporary Hit Points, you gain a +1 circumstance bonus to attack and damage rolls.

Pathfinder Lost Omens Character GuideOGL