pf2e.fyi
From Pathfinder Lost Omens Draconic Codex, which isn't enabled.

Blood-Feasting Breath

SPELL 5
UNCOMMONCONCENTRATEHEALINGMANIPULATEVITALITYVOID
Traditions divine, occult
Cast
Area 30-foot cone
Defense basic Fortitude
Area (continued) two 30-foot cones

Like a vorpal dragon, you absorb life with an inhale and release it with an exhale. All living creatures in the first cone take 5d6 void damage with a basic Fortitude save. You and all living creatures in the second cone regain Hit Points equal to the greatest damage a single creature took from the first cone.

Heightened (+1) The damage and healing increase by 1d6.
Pathfinder Lost Omens Draconic CodexORC