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From Pathfinder Lost Omens Shining Kingdoms, which isn't enabled.

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FEAT 10
ARCHETYPECONCENTRATE
Activity 1 action
Archetype Blackjacket
Prerequisites Mercenary Motivation
Requirements You have completed your active course of action but haven't Dismissed it or chosen a new one.

You're bolstered when a plan comes together. You Dismiss your current course of action and gain 15 temporary Hit Points that last for 1 hour. The number of temporary Hit Points increases by 5 at 12th level and every 2 levels thereafter.

Pathfinder Lost Omens Shining KingdomsORC