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

Effortless Captivation

FEAT 14
Activity free action
Archetype Captivator
Prerequisites Captivator Dedication

Trigger Your turn begins.

You maintain your innate charms and illusions with hardly a thought. You Sustain an innate captivator spell.

Pathfinder Impossible MagicORC