pf2e.fyi
From Pathfinder Dark Archive (Remastered), which isn't enabled.

Advanced Thoughtform

FEAT 6
ARCHETYPE
Archetype Psychic
Prerequisites Basic Thoughtform

You gain one psychic feat. For the purpose of meeting its prerequisites, your psychic level is equal to half your character level.

Special You can select this feat more than once. Each time you select it, you gain another psychic feat.
Pathfinder Dark Archive (Remastered)ORC