pf2e.fyi
From Pathfinder War of Immortals, which isn't enabled.

Call From Death's Door

FEAT 10
UNCOMMONMYTHIC
Activity reaction
Prerequisites Caretaker's Calling
Trigger The Dying condition of an ally you're observing would increase.

Even death halts in the face of your power. Spend a Mythic Point; the triggering ally loses the dying condition, their Wounded condition doesn't increase, and they heal a number of Hit Points equal to twice your level.

Pathfinder War of ImmortalsORC