There is a Legacy version
here.
Pain is Temporary [two-actions] Feat 13This Feat may contain spoilers from the Season of Ghosts Adventure Path
Rare Concentrate Reincarnated Universal Ancestry Source Season of Ghosts (Hardcover) pg. 320Frequency once per 10 minutes
Sangpotshi practitioners know that suffering is a fleeting sensation that ultimately strengthens the soul and prepares it for a new reincarnation. Bolstered by this understanding, you’ve learned to temporarily steel yourself against all forms of pain. You gain
resistance 10 to all damage until the end of your next turn.
Traits
Rare: This rarity indicates that a rules element is very difficult to find in the game world. A rare feat, spell, item or the like is available to players only if the GM decides to include it in the game, typically through discovery during play. Creatures with this trait are rare. They typically can't be summoned. The DC of Recall Knowledge checks related to these creatures is increased by 5.
Concentrate: An action with this trait requires a degree of mental concentration and discipline.
Reincarnated: These rare ancestry feats are available to any character who has reincarnated at least once either as part of their backstory or because of a reincarnation that took place during play.
Universal Ancestry: A feat with this trait is available to all ancestries.