From Pathfinder Lost Omens Tian Xia Character Guide, which isn't enabled.

Meditate on This!

FEAT 14

UNCOMMON BARBARIAN CONCENTRATE EMOTION INCAPACITATION MENTAL RAGE

Activity 1 action

Prerequisites trained in Medicine or Tian Xia Lore

Access Tian Xia origin

You meditate to alter your qi, coloring it with your resentment and anger. Until the start of your next turn, whenever you hit a creature with an unarmed Strike, or an adjacent creature deals piercing, slashing, or bleed damage to you, the creature that you hit or that damaged you must attempt a Will save against your class DC. The creature is then temporarily immune for 1 minute.

Critical Success The creature is unaffected.

Success The creature is Frightened 1.

Failure The creature is Frightened 2.

Critical Failure The creature is Frightened 3 and Fleeing until the end of its next turn.

Pathfinder Lost Omens Tian Xia Character GuideORC