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

Armor of Thorn and Claw

SPELL 1

Traditions primal

Cast

Duration 1 minute

Razor-sharp thorns and claws erupt from your skin or scales. Whenever a creature touches you or hits you with a melee unarmed attack, it takes 1 piercing damage. Additionally, if you become Grabbed, Restrained, or otherwise held Immobilized in a creature's grasp, such as by being engulfed or swallowed, the creature takes (rank ÷ 2, rounded up)d4 persistent bleed damage.

Heightened (+2) The piercing damage increases by 2, and the persistent bleed damage increases by 1d4.

Pathfinder Lost Omens Draconic CodexORC