pf2e.fyi
From Pathfinder Impossible Magic, which isn't enabled.

Harness Natural Magic

FEAT 6
ARCHETYPECONCENTRATEMAGICAL
Activity free action
Archetype Living Nexus
Prerequisites Living Nexus Dedication
Frequency once per 10 minutes
Trigger Your turn begins.

Although it's often faint, you can sense the presence of magic all around you. Your internal nexus takes in that magic as easy as breathing. You become overflowing as if you have Absorbed Magic.

Pathfinder Impossible MagicORC