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

Blessing of Vigor

SPELL 1
CONCENTRATEHEALINGMANIPULATEVITALITY
Traditions divine
Cast
Range 30 feet
Targets you or 1 ally
Duration 3 rounds

You pray for a small blessing to keep your target safe. The target gains fast healing 3.

Spell Effect: Blessing of Vigor

Heightened (+1) The fast healing increases by 3.
Pathfinder Impossible MagicORC