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

Shatter Mind

CANTRIP 3
UNCOMMONCANTRIPCONCENTRATEMANIPULATEMENTALPSYCHIC
Cast
Area 15-foot cone
Defense basic Will

You telepathically assail the minds of your foes. You deal 3d4 mental damage to all enemies in the area, with a basic Will save.

Heightened (+1) The damage increases by 1d4.
Pathfinder Dark Archive (Remastered)ORC