pf2e.fyi
From Pathfinder Lost Omens Hellfire Dispatches, which isn't enabled.

Commitment to Vigilance

FEAT 14
ARCHETYPESTANCE
Activity 1 action
Archetype Golden Legionnaire
Prerequisites Golden Legionnaire Dedication

Your foes find it difficult to maneuver around you without attracting your attention. While in this stance, all spaces within your melee reach are difficult terrain for your enemies.

Pathfinder Lost Omens Hellfire DispatchesORC