pf2e.fyi
From Pathfinder Adventure: Prey for Death, which isn't enabled.

Shroud of the Mantis

FOCUS 4
UNCOMMONFOCUSILLUSIONMANIPULATEWIZARD
Cast
Duration 1 minute

You wrap yourself in a crimson cloak that renders you Invisible, with the same restrictions as a 2nd-rank Invisibility spell.

Heightened (6th) The duration increases to 10 minutes.
Heightened (8th) The duration increases to 1 hour.
Pathfinder Adventure: Prey for DeathORC